68847625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 112140288

約数和(自身を除く): 43292663

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 125, 161, 175, 253, 275, 311, 385, 575, 805, 875, 1265, 1375, 1555, 1771, 1925, 2177, 2875, 3421, 4025, 6325, 7153, 7775, 8855, 9625, 10885, 17105, 20125, 23947, 31625, 35765, 38875, 44275, 50071, 54425, 78683, 85525, 119735, 178825, 221375, 250355, 272125, 393415, 427625, 550781, 598675, 894125, 1251775, 1967075, 2753905, 2993375, 6258875, 9835375, 13769525, 68847625]

約数ペア:

[(1, 68847625), (5, 13769525), (7, 9835375), (11, 6258875), (23, 2993375), (25, 2753905), (35, 1967075), (55, 1251775), (77, 894125), (115, 598675), (125, 550781), (161, 427625), (175, 393415), (253, 272125), (275, 250355), (311, 221375), (385, 178825), (575, 119735), (805, 85525), (875, 78683), (1265, 54425), (1375, 50071), (1555, 44275), (1771, 38875), (1925, 35765), (2177, 31625), (2875, 23947), (3421, 20125), (4025, 17105), (6325, 10885), (7153, 9625), (7775, 8855)]