90910105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2399}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 39726695

約数列:

[1, 5, 11, 13, 53, 55, 65, 143, 265, 583, 689, 715, 2399, 2915, 3445, 7579, 11995, 26389, 31187, 37895, 127147, 131945, 155935, 343057, 635735, 1398617, 1652911, 1715285, 6993085, 8264555, 18182021, 90910105]

約数ペア:

[(1, 90910105), (5, 18182021), (11, 8264555), (13, 6993085), (53, 1715285), (55, 1652911), (65, 1398617), (143, 635735), (265, 343057), (583, 155935), (689, 131945), (715, 127147), (2399, 37895), (2915, 31187), (3445, 26389), (7579, 11995)]