638889768

素因数分解:

$2^3\times 3^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 224

約数和(自身を含む): 2049243840

約数和(自身を除く): 1410354072

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 27, 33, 36, 44, 46, 54, 66, 69, 72, 81, 88, 92, 99, 108, 132, 138, 162, 184, 198, 207, 216, 243, 253, 264, 276, 297, 324, 396, 414, 433, 486, 506, 552, 594, 621, 648, 729, 759, 792, 828, 866, 891, 972, 1012, 1188, 1242, 1299, 1458, 1518, 1656, 1732, 1782, 1863, 1944, 2024, 2277, 2376, 2484, 2598, 2673, 2916, 3036, 3464, 3564, 3726, 3897, 4554, 4763, 4968, 5196, 5346, 5589, 5832, 6072, 6831, 7128, 7452, 7794, 8019, 9108, 9526, 9959, 10392, 10692, 11178, 11691, 13662, 14289, 14904, 15588, 16038, 16767, 18216, 19052, 19918, 20493, 21384, 22356, 23382, 27324, 28578, 29877, 31176, 32076, 33534, 35073, 38104, 39836, 40986, 42867, 44712, 46764, 54648, 57156, 59754, 61479, 64152, 67068, 70146, 79672, 81972, 85734, 89631, 93528, 105219, 109549, 114312, 119508, 122958, 128601, 134136, 140292, 163944, 171468, 179262, 184437, 210438, 219098, 239016, 245916, 257202, 268893, 280584, 315657, 328647, 342936, 358524, 368874, 385803, 420876, 438196, 491832, 514404, 537786, 631314, 657294, 717048, 737748, 771606, 806679, 841752, 876392, 985941, 1028808, 1075572, 1157409, 1262628, 1314588, 1475496, 1543212, 1613358, 1971882, 2151144, 2314818, 2420037, 2525256, 2629176, 2957823, 3086424, 3226716, 3472227, 3943764, 4629636, 4840074, 5915646, 6453432, 6944454, 7260111, 7887528, 8873469, 9259272, 9680148, 11831292, 13888908, 14520222, 17746938, 19360296, 23662584, 26620407, 27777816, 29040444, 35493876, 53240814, 58080888, 70987752, 79861221, 106481628, 159722442, 212963256, 319444884, 638889768]

約数ペア:

[(1, 638889768), (2, 319444884), (3, 212963256), (4, 159722442), (6, 106481628), (8, 79861221), (9, 70987752), (11, 58080888), (12, 53240814), (18, 35493876), (22, 29040444), (23, 27777816), (24, 26620407), (27, 23662584), (33, 19360296), (36, 17746938), (44, 14520222), (46, 13888908), (54, 11831292), (66, 9680148), (69, 9259272), (72, 8873469), (81, 7887528), (88, 7260111), (92, 6944454), (99, 6453432), (108, 5915646), (132, 4840074), (138, 4629636), (162, 3943764), (184, 3472227), (198, 3226716), (207, 3086424), (216, 2957823), (243, 2629176), (253, 2525256), (264, 2420037), (276, 2314818), (297, 2151144), (324, 1971882), (396, 1613358), (414, 1543212), (433, 1475496), (486, 1314588), (506, 1262628), (552, 1157409), (594, 1075572), (621, 1028808), (648, 985941), (729, 876392), (759, 841752), (792, 806679), (828, 771606), (866, 737748), (891, 717048), (972, 657294), (1012, 631314), (1188, 537786), (1242, 514404), (1299, 491832), (1458, 438196), (1518, 420876), (1656, 385803), (1732, 368874), (1782, 358524), (1863, 342936), (1944, 328647), (2024, 315657), (2277, 280584), (2376, 268893), (2484, 257202), (2598, 245916), (2673, 239016), (2916, 219098), (3036, 210438), (3464, 184437), (3564, 179262), (3726, 171468), (3897, 163944), (4554, 140292), (4763, 134136), (4968, 128601), (5196, 122958), (5346, 119508), (5589, 114312), (5832, 109549), (6072, 105219), (6831, 93528), (7128, 89631), (7452, 85734), (7794, 81972), (8019, 79672), (9108, 70146), (9526, 67068), (9959, 64152), (10392, 61479), (10692, 59754), (11178, 57156), (11691, 54648), (13662, 46764), (14289, 44712), (14904, 42867), (15588, 40986), (16038, 39836), (16767, 38104), (18216, 35073), (19052, 33534), (19918, 32076), (20493, 31176), (21384, 29877), (22356, 28578), (23382, 27324)]