66463216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218629}}^1$

素因数の和:218656

約数の個数: 20

約数和(自身を含む): 135550600

約数和(自身を除く): 69087384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218629, 437258, 874516, 1749032, 3498064, 4153951, 8307902, 16615804, 33231608, 66463216]

約数ペア:

[(1, 66463216), (2, 33231608), (4, 16615804), (8, 8307902), (16, 4153951), (19, 3498064), (38, 1749032), (76, 874516), (152, 437258), (304, 218629)]