81787462

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{2081}}^1$

素因数の和:2583

約数の個数: 16

約数和(自身を含む): 125869392

約数和(自身を除く): 44081930

約数列:

[1, 2, 43, 86, 457, 914, 2081, 4162, 19651, 39302, 89483, 178966, 951017, 1902034, 40893731, 81787462]

約数ペア:

[(1, 81787462), (2, 40893731), (43, 1902034), (86, 951017), (457, 178966), (914, 89483), (2081, 39302), (4162, 19651)]