25220206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{18793}}^1$

素因数の和:18867

約数の個数: 16

約数和(自身を含む): 41948208

約数和(自身を除く): 16728002

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 18793, 37586, 206723, 413446, 1146373, 2292746, 12610103, 25220206]

約数ペア:

[(1, 25220206), (2, 12610103), (11, 2292746), (22, 1146373), (61, 413446), (122, 206723), (671, 37586), (1342, 18793)]