81274708

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 143923752

約数和(自身を除く): 62649044

約数列:

[1, 2, 4, 173, 257, 346, 457, 514, 692, 914, 1028, 1828, 44461, 79061, 88922, 117449, 158122, 177844, 234898, 316244, 469796, 20318677, 40637354, 81274708]

約数ペア:

[(1, 81274708), (2, 40637354), (4, 20318677), (173, 469796), (257, 316244), (346, 234898), (457, 177844), (514, 158122), (692, 117449), (914, 88922), (1028, 79061), (1828, 44461)]