398990448

素因数分解:

$2^4\times 3^6\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 140

約数和(自身を含む): 1176417760

約数和(自身を除く): 777427312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 81, 108, 144, 158, 162, 216, 237, 243, 316, 324, 432, 433, 474, 486, 632, 648, 711, 729, 866, 948, 972, 1264, 1296, 1299, 1422, 1458, 1732, 1896, 1944, 2133, 2598, 2844, 2916, 3464, 3792, 3888, 3897, 4266, 5196, 5688, 5832, 6399, 6928, 7794, 8532, 10392, 11376, 11664, 11691, 12798, 15588, 17064, 19197, 20784, 23382, 25596, 31176, 34128, 34207, 35073, 38394, 46764, 51192, 57591, 62352, 68414, 70146, 76788, 93528, 102384, 102621, 105219, 115182, 136828, 140292, 153576, 187056, 205242, 210438, 230364, 273656, 280584, 307152, 307863, 315657, 410484, 420876, 460728, 547312, 561168, 615726, 631314, 820968, 841752, 921456, 923589, 1231452, 1262628, 1641936, 1683504, 1847178, 2462904, 2525256, 2770767, 3694356, 4925808, 5050512, 5541534, 7388712, 8312301, 11083068, 14777424, 16624602, 22166136, 24936903, 33249204, 44332272, 49873806, 66498408, 99747612, 132996816, 199495224, 398990448]

約数ペア:

[(1, 398990448), (2, 199495224), (3, 132996816), (4, 99747612), (6, 66498408), (8, 49873806), (9, 44332272), (12, 33249204), (16, 24936903), (18, 22166136), (24, 16624602), (27, 14777424), (36, 11083068), (48, 8312301), (54, 7388712), (72, 5541534), (79, 5050512), (81, 4925808), (108, 3694356), (144, 2770767), (158, 2525256), (162, 2462904), (216, 1847178), (237, 1683504), (243, 1641936), (316, 1262628), (324, 1231452), (432, 923589), (433, 921456), (474, 841752), (486, 820968), (632, 631314), (648, 615726), (711, 561168), (729, 547312), (866, 460728), (948, 420876), (972, 410484), (1264, 315657), (1296, 307863), (1299, 307152), (1422, 280584), (1458, 273656), (1732, 230364), (1896, 210438), (1944, 205242), (2133, 187056), (2598, 153576), (2844, 140292), (2916, 136828), (3464, 115182), (3792, 105219), (3888, 102621), (3897, 102384), (4266, 93528), (5196, 76788), (5688, 70146), (5832, 68414), (6399, 62352), (6928, 57591), (7794, 51192), (8532, 46764), (10392, 38394), (11376, 35073), (11664, 34207), (11691, 34128), (12798, 31176), (15588, 25596), (17064, 23382), (19197, 20784)]