251302554

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 617103360

約数和(自身を除く): 365800806

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 46, 54, 61, 62, 69, 93, 107, 122, 138, 183, 186, 207, 214, 279, 321, 366, 414, 549, 558, 621, 642, 713, 837, 963, 1098, 1242, 1403, 1426, 1647, 1674, 1891, 1926, 2139, 2461, 2806, 2889, 3294, 3317, 3782, 4209, 4278, 4922, 5673, 5778, 6417, 6527, 6634, 7383, 8418, 9951, 11346, 12627, 12834, 13054, 14766, 17019, 19251, 19581, 19902, 22149, 25254, 29853, 34038, 37881, 38502, 39162, 43493, 44298, 51057, 58743, 59706, 66447, 75762, 76291, 86986, 89559, 102114, 117486, 130479, 132894, 150121, 152582, 176229, 179118, 202337, 228873, 260958, 300242, 352458, 391437, 404674, 450363, 457746, 607011, 686619, 782874, 900726, 1174311, 1214022, 1351089, 1373238, 1821033, 2059857, 2348622, 2702178, 3642066, 4053267, 4119714, 4653751, 5463099, 8106534, 9307502, 10926198, 13961253, 27922506, 41883759, 83767518, 125651277, 251302554]

約数ペア:

[(1, 251302554), (2, 125651277), (3, 83767518), (6, 41883759), (9, 27922506), (18, 13961253), (23, 10926198), (27, 9307502), (31, 8106534), (46, 5463099), (54, 4653751), (61, 4119714), (62, 4053267), (69, 3642066), (93, 2702178), (107, 2348622), (122, 2059857), (138, 1821033), (183, 1373238), (186, 1351089), (207, 1214022), (214, 1174311), (279, 900726), (321, 782874), (366, 686619), (414, 607011), (549, 457746), (558, 450363), (621, 404674), (642, 391437), (713, 352458), (837, 300242), (963, 260958), (1098, 228873), (1242, 202337), (1403, 179118), (1426, 176229), (1647, 152582), (1674, 150121), (1891, 132894), (1926, 130479), (2139, 117486), (2461, 102114), (2806, 89559), (2889, 86986), (3294, 76291), (3317, 75762), (3782, 66447), (4209, 59706), (4278, 58743), (4922, 51057), (5673, 44298), (5778, 43493), (6417, 39162), (6527, 38502), (6634, 37881), (7383, 34038), (8418, 29853), (9951, 25254), (11346, 22149), (12627, 19902), (12834, 19581), (13054, 19251), (14766, 17019)]