191909770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{86837}}^1$

素因数の和:86874

約数の個数: 32

約数和(自身を含む): 393897168

約数和(自身を除く): 201987398

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 86837, 173674, 434185, 868370, 1128881, 1476229, 2257762, 2952458, 5644405, 7381145, 11288810, 14762290, 19190977, 38381954, 95954885, 191909770]

約数ペア:

[(1, 191909770), (2, 95954885), (5, 38381954), (10, 19190977), (13, 14762290), (17, 11288810), (26, 7381145), (34, 5644405), (65, 2952458), (85, 2257762), (130, 1476229), (170, 1128881), (221, 868370), (442, 434185), (1105, 173674), (2210, 86837)]