8417890

素因数分解:

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

素因数の和:343

約数の個数: 48

約数和(自身を含む): 17431848

約数和(自身を除く): 9013958

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 293, 338, 442, 586, 845, 1105, 1465, 1690, 2210, 2873, 2930, 3809, 4981, 5746, 7618, 9962, 14365, 19045, 24905, 28730, 38090, 49517, 49810, 64753, 99034, 129506, 247585, 323765, 495170, 647530, 841789, 1683578, 4208945, 8417890]

約数ペア:

[(1, 8417890), (2, 4208945), (5, 1683578), (10, 841789), (13, 647530), (17, 495170), (26, 323765), (34, 247585), (65, 129506), (85, 99034), (130, 64753), (169, 49810), (170, 49517), (221, 38090), (293, 28730), (338, 24905), (442, 19045), (586, 14365), (845, 9962), (1105, 7618), (1465, 5746), (1690, 4981), (2210, 3809), (2873, 2930)]