396401372

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{647}}^1\times {\mathrm{1721}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 702989280

約数和(自身を除く): 306587908

約数列:

[1, 2, 4, 89, 178, 356, 647, 1294, 1721, 2588, 3442, 6884, 57583, 115166, 153169, 230332, 306338, 612676, 1113487, 2226974, 4453948, 99100343, 198200686, 396401372]

約数ペア:

[(1, 396401372), (2, 198200686), (4, 99100343), (89, 4453948), (178, 2226974), (356, 1113487), (647, 612676), (1294, 306338), (1721, 230332), (2588, 153169), (3442, 115166), (6884, 57583)]