25442978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{18959}}^1$

素因数の和:19033

約数の個数: 16

約数和(自身を含む): 42318720

約数和(自身を除く): 16875742

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 18959, 37918, 208549, 417098, 1156499, 2312998, 12721489, 25442978]

約数ペア:

[(1, 25442978), (2, 12721489), (11, 2312998), (22, 1156499), (61, 417098), (122, 208549), (671, 37918), (1342, 18959)]