804958925

素因数分解:

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

素因数の和:2678

約数の個数: 36

約数和(自身を含む): 1085394816

約数和(自身を除く): 280435891

約数列:

[1, 5, 17, 25, 43, 85, 215, 289, 425, 731, 1075, 1445, 2591, 3655, 7225, 12427, 12955, 18275, 44047, 62135, 64775, 111413, 220235, 310675, 557065, 748799, 1101175, 1894021, 2785325, 3743995, 9470105, 18719975, 32198357, 47350525, 160991785, 804958925]

約数ペア:

[(1, 804958925), (5, 160991785), (17, 47350525), (25, 32198357), (43, 18719975), (85, 9470105), (215, 3743995), (289, 2785325), (425, 1894021), (731, 1101175), (1075, 748799), (1445, 557065), (2591, 310675), (3655, 220235), (7225, 111413), (12427, 64775), (12955, 62135), (18275, 44047)]