221489218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{49639}}^1$

素因数の和:49761

約数の個数: 16

約数和(自身を含む): 350259840

約数和(自身を除く): 128770622

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 49639, 99278, 1141697, 2283394, 4814983, 9629966, 110744609, 221489218]

約数ペア:

[(1, 221489218), (2, 110744609), (23, 9629966), (46, 4814983), (97, 2283394), (194, 1141697), (2231, 99278), (4462, 49639)]