212561636

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{161521}}^1$

素因数の和:161579

約数の個数: 24

約数和(自身を含む): 434171136

約数和(自身を除く): 221609500

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 161521, 323042, 646084, 1130647, 2261294, 4522588, 7591487, 15182974, 30365948, 53140409, 106280818, 212561636]

約数ペア:

[(1, 212561636), (2, 106280818), (4, 53140409), (7, 30365948), (14, 15182974), (28, 7591487), (47, 4522588), (94, 2261294), (188, 1130647), (329, 646084), (658, 323042), (1316, 161521)]