1279588895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 1839438720

約数和(自身を除く): 559849825

約数列:

[1, 5, 13, 17, 29, 65, 73, 85, 145, 221, 365, 377, 493, 547, 949, 1105, 1241, 1885, 2117, 2465, 2735, 4745, 6205, 6409, 7111, 9299, 10585, 15863, 16133, 27521, 32045, 35555, 35989, 39931, 46495, 79315, 80665, 120887, 137605, 179945, 199655, 206219, 269671, 467857, 519103, 604435, 678827, 1031095, 1157999, 1348355, 2339285, 2595515, 3394135, 3505723, 5789995, 8824751, 15053987, 17528615, 19685983, 44123755, 75269935, 98429915, 255917779, 1279588895]

約数ペア:

[(1, 1279588895), (5, 255917779), (13, 98429915), (17, 75269935), (29, 44123755), (65, 19685983), (73, 17528615), (85, 15053987), (145, 8824751), (221, 5789995), (365, 3505723), (377, 3394135), (493, 2595515), (547, 2339285), (949, 1348355), (1105, 1157999), (1241, 1031095), (1885, 678827), (2117, 604435), (2465, 519103), (2735, 467857), (4745, 269671), (6205, 206219), (6409, 199655), (7111, 179945), (9299, 137605), (10585, 120887), (15863, 80665), (16133, 79315), (27521, 46495), (32045, 39931), (35555, 35989)]