56781557

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3259}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 68851200

約数和(自身を除く): 12069643

約数列:

[1, 7, 19, 131, 133, 917, 2489, 3259, 17423, 22813, 61921, 426929, 433447, 2988503, 8111651, 56781557]

約数ペア:

[(1, 56781557), (7, 8111651), (19, 2988503), (131, 433447), (133, 426929), (917, 61921), (2489, 22813), (3259, 17423)]