7887490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 16765056

約数和(自身を除く): 8877566

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 83, 85, 86, 130, 166, 170, 215, 221, 415, 430, 442, 559, 731, 830, 1079, 1105, 1118, 1411, 1462, 2158, 2210, 2795, 2822, 3569, 3655, 5395, 5590, 7055, 7138, 7310, 9503, 10790, 14110, 17845, 18343, 19006, 35690, 36686, 46397, 47515, 60673, 91715, 92794, 95030, 121346, 183430, 231985, 303365, 463970, 606730, 788749, 1577498, 3943745, 7887490]

約数ペア:

[(1, 7887490), (2, 3943745), (5, 1577498), (10, 788749), (13, 606730), (17, 463970), (26, 303365), (34, 231985), (43, 183430), (65, 121346), (83, 95030), (85, 92794), (86, 91715), (130, 60673), (166, 47515), (170, 46397), (215, 36686), (221, 35690), (415, 19006), (430, 18343), (442, 17845), (559, 14110), (731, 10790), (830, 9503), (1079, 7310), (1105, 7138), (1118, 7055), (1411, 5590), (1462, 5395), (2158, 3655), (2210, 3569), (2795, 2822)]