647530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 1333584

約数和(自身を除く): 686054

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 293, 442, 586, 1105, 1465, 2210, 2930, 3809, 4981, 7618, 9962, 19045, 24905, 38090, 49810, 64753, 129506, 323765, 647530]

約数ペア:

[(1, 647530), (2, 323765), (5, 129506), (10, 64753), (13, 49810), (17, 38090), (26, 24905), (34, 19045), (65, 9962), (85, 7618), (130, 4981), (170, 3809), (221, 2930), (293, 2210), (442, 1465), (586, 1105)]