30257786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 51020928

約数和(自身を除く): 20763142

約数列:

[1, 2, 13, 26, 37, 71, 74, 142, 443, 481, 886, 923, 962, 1846, 2627, 5254, 5759, 11518, 16391, 31453, 32782, 34151, 62906, 68302, 213083, 408889, 426166, 817778, 1163761, 2327522, 15128893, 30257786]

約数ペア:

[(1, 30257786), (2, 15128893), (13, 2327522), (26, 1163761), (37, 817778), (71, 426166), (74, 408889), (142, 213083), (443, 68302), (481, 62906), (886, 34151), (923, 32782), (962, 31453), (1846, 16391), (2627, 11518), (5254, 5759)]