391198730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{177013}}^1$

素因数の和:177050

約数の個数: 32

約数和(自身を含む): 802935504

約数和(自身を除く): 411736774

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 177013, 354026, 885065, 1770130, 2301169, 3009221, 4602338, 6018442, 11505845, 15046105, 23011690, 30092210, 39119873, 78239746, 195599365, 391198730]

約数ペア:

[(1, 391198730), (2, 195599365), (5, 78239746), (10, 39119873), (13, 30092210), (17, 23011690), (26, 15046105), (34, 11505845), (65, 6018442), (85, 4602338), (130, 3009221), (170, 2301169), (221, 1770130), (442, 885065), (1105, 354026), (2210, 177013)]