12890778890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{757}}^1\times {\mathrm{154807}}^1$

素因数の和:155582

約数の個数: 32

約数和(自身を含む): 25346404224

約数和(自身を除く): 12455625334

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 757, 1514, 3785, 7570, 8327, 16654, 41635, 83270, 154807, 309614, 774035, 1548070, 1702877, 3405754, 8514385, 17028770, 117188899, 234377798, 585944495, 1171888990, 1289077889, 2578155778, 6445389445, 12890778890]

約数ペア:

[(1, 12890778890), (2, 6445389445), (5, 2578155778), (10, 1289077889), (11, 1171888990), (22, 585944495), (55, 234377798), (110, 117188899), (757, 17028770), (1514, 8514385), (3785, 3405754), (7570, 1702877), (8327, 1548070), (16654, 774035), (41635, 309614), (83270, 154807)]