30981868

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 55062000

約数和(自身を除く): 24080132

約数列:

[1, 2, 4, 149, 227, 229, 298, 454, 458, 596, 908, 916, 33823, 34121, 51983, 67646, 68242, 103966, 135292, 136484, 207932, 7745467, 15490934, 30981868]

約数ペア:

[(1, 30981868), (2, 15490934), (4, 7745467), (149, 207932), (227, 136484), (229, 135292), (298, 103966), (454, 68242), (458, 67646), (596, 51983), (908, 34121), (916, 33823)]