66403856

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 132312960

約数和(自身を除く): 65909104

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 227, 376, 389, 454, 752, 778, 908, 1556, 1816, 3112, 3632, 6224, 10669, 18283, 21338, 36566, 42676, 73132, 85352, 88303, 146264, 170704, 176606, 292528, 353212, 706424, 1412848, 4150241, 8300482, 16600964, 33201928, 66403856]

約数ペア:

[(1, 66403856), (2, 33201928), (4, 16600964), (8, 8300482), (16, 4150241), (47, 1412848), (94, 706424), (188, 353212), (227, 292528), (376, 176606), (389, 170704), (454, 146264), (752, 88303), (778, 85352), (908, 73132), (1556, 42676), (1816, 36566), (3112, 21338), (3632, 18283), (6224, 10669)]