81831152

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 60

約数和(自身を含む): 175227624

約数和(自身を除く): 93396472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 169, 208, 212, 338, 424, 571, 676, 689, 848, 1142, 1352, 1378, 2284, 2704, 2756, 4568, 5512, 7423, 8957, 9136, 11024, 14846, 17914, 29692, 30263, 35828, 59384, 60526, 71656, 96499, 118768, 121052, 143312, 192998, 242104, 385996, 393419, 484208, 771992, 786838, 1543984, 1573676, 3147352, 5114447, 6294704, 10228894, 20457788, 40915576, 81831152]

約数ペア:

[(1, 81831152), (2, 40915576), (4, 20457788), (8, 10228894), (13, 6294704), (16, 5114447), (26, 3147352), (52, 1573676), (53, 1543984), (104, 786838), (106, 771992), (169, 484208), (208, 393419), (212, 385996), (338, 242104), (424, 192998), (571, 143312), (676, 121052), (689, 118768), (848, 96499), (1142, 71656), (1352, 60526), (1378, 59384), (2284, 35828), (2704, 30263), (2756, 29692), (4568, 17914), (5512, 14846), (7423, 11024), (8957, 9136)]