4088890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 8055936

約数和(自身を除く): 3967046

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 443, 710, 886, 923, 1846, 2215, 4430, 4615, 5759, 9230, 11518, 28795, 31453, 57590, 62906, 157265, 314530, 408889, 817778, 2044445, 4088890]

約数ペア:

[(1, 4088890), (2, 2044445), (5, 817778), (10, 408889), (13, 314530), (26, 157265), (65, 62906), (71, 57590), (130, 31453), (142, 28795), (355, 11518), (443, 9230), (710, 5759), (886, 4615), (923, 4430), (1846, 2215)]