64261972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20107}}^1$

素因数の和:20175

約数の個数: 24

約数和(自身を含む): 121613184

約数和(自身を除く): 57351212

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 20107, 40214, 80428, 341819, 683638, 945029, 1367276, 1890058, 3780116, 16065493, 32130986, 64261972]

約数ペア:

[(1, 64261972), (2, 32130986), (4, 16065493), (17, 3780116), (34, 1890058), (47, 1367276), (68, 945029), (94, 683638), (188, 341819), (799, 80428), (1598, 40214), (3196, 20107)]