78161923

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 91430656

約数和(自身を除く): 13268733

約数列:

[1, 7, 61, 163, 427, 1123, 1141, 7861, 9943, 68503, 69601, 183049, 479521, 1281343, 11165989, 78161923]

約数ペア:

[(1, 78161923), (7, 11165989), (61, 1281343), (163, 479521), (427, 183049), (1123, 69601), (1141, 68503), (7861, 9943)]