81707408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{929}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 166060800

約数和(自身を除く): 84353392

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 239, 368, 478, 929, 956, 1858, 1912, 3716, 3824, 5497, 7432, 10994, 14864, 21367, 21988, 42734, 43976, 85468, 87952, 170936, 222031, 341872, 444062, 888124, 1776248, 3552496, 5106713, 10213426, 20426852, 40853704, 81707408]

約数ペア:

[(1, 81707408), (2, 40853704), (4, 20426852), (8, 10213426), (16, 5106713), (23, 3552496), (46, 1776248), (92, 888124), (184, 444062), (239, 341872), (368, 222031), (478, 170936), (929, 87952), (956, 85468), (1858, 43976), (1912, 42734), (3716, 21988), (3824, 21367), (5497, 14864), (7432, 10994)]