387432890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{175309}}^1$

素因数の和:175346

約数の個数: 32

約数和(自身を含む): 795206160

約数和(自身を除く): 407773270

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 175309, 350618, 876545, 1753090, 2279017, 2980253, 4558034, 5960506, 11395085, 14901265, 22790170, 29802530, 38743289, 77486578, 193716445, 387432890]

約数ペア:

[(1, 387432890), (2, 193716445), (5, 77486578), (10, 38743289), (13, 29802530), (17, 22790170), (26, 14901265), (34, 11395085), (65, 5960506), (85, 4558034), (130, 2980253), (170, 2279017), (221, 1753090), (442, 876545), (1105, 350618), (2210, 175309)]