81577456

素因数分解:

$2^4\times {\mathrm{1579}}^1\times {\mathrm{3229}}^1$

素因数の和:4816

約数の個数: 20

約数和(自身を含む): 158205400

約数和(自身を除く): 76627944

約数列:

[1, 2, 4, 8, 16, 1579, 3158, 3229, 6316, 6458, 12632, 12916, 25264, 25832, 51664, 5098591, 10197182, 20394364, 40788728, 81577456]

約数ペア:

[(1, 81577456), (2, 40788728), (4, 20394364), (8, 10197182), (16, 5098591), (1579, 51664), (3158, 25832), (3229, 25264), (6316, 12916), (6458, 12632)]