160991785

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 210076416

約数和(自身を除く): 49084631

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1445, 2591, 3655, 12427, 12955, 44047, 62135, 111413, 220235, 557065, 748799, 1894021, 3743995, 9470105, 32198357, 160991785]

約数ペア:

[(1, 160991785), (5, 32198357), (17, 9470105), (43, 3743995), (85, 1894021), (215, 748799), (289, 557065), (731, 220235), (1445, 111413), (2591, 62135), (3655, 44047), (12427, 12955)]