81302516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{4937}}^1$

素因数の和:5143

約数の個数: 24

約数和(自身を含む): 149325120

約数和(自身を除く): 68022604

約数列:

[1, 2, 4, 23, 46, 92, 179, 358, 716, 4117, 4937, 8234, 9874, 16468, 19748, 113551, 227102, 454204, 883723, 1767446, 3534892, 20325629, 40651258, 81302516]

約数ペア:

[(1, 81302516), (2, 40651258), (4, 20325629), (23, 3534892), (46, 1767446), (92, 883723), (179, 454204), (358, 227102), (716, 113551), (4117, 19748), (4937, 16468), (8234, 9874)]