12740221438

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2534863}}^1$

素因数の和:2535231

約数の個数: 16

約数和(自身を含む): 21901224960

約数和(自身を除く): 9161003522

約数列:

[1, 2, 7, 14, 359, 718, 2513, 5026, 2534863, 5069726, 17744041, 35488082, 910015817, 1820031634, 6370110719, 12740221438]

約数ペア:

[(1, 12740221438), (2, 6370110719), (7, 1820031634), (14, 910015817), (359, 35488082), (718, 17744041), (2513, 5069726), (5026, 2534863)]