81219578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1063}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 139732992

約数和(自身を除く): 58513414

約数列:

[1, 2, 11, 22, 23, 46, 151, 253, 302, 506, 1063, 1661, 2126, 3322, 3473, 6946, 11693, 23386, 24449, 38203, 48898, 76406, 160513, 268939, 321026, 537878, 1765643, 3531286, 3691799, 7383598, 40609789, 81219578]

約数ペア:

[(1, 81219578), (2, 40609789), (11, 7383598), (22, 3691799), (23, 3531286), (46, 1765643), (151, 537878), (253, 321026), (302, 268939), (506, 160513), (1063, 76406), (1661, 48898), (2126, 38203), (3322, 24449), (3473, 23386), (6946, 11693)]