20150557

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 3847907

約数列:

[1, 7, 41, 61, 287, 427, 1151, 2501, 8057, 17507, 47191, 70211, 330337, 491477, 2878651, 20150557]

約数ペア:

[(1, 20150557), (7, 2878651), (41, 491477), (61, 330337), (287, 70211), (427, 47191), (1151, 17507), (2501, 8057)]