39802012

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 71314880

約数和(自身を除く): 31512868

約数列:

[1, 2, 4, 61, 122, 157, 244, 314, 628, 1039, 2078, 4156, 9577, 19154, 38308, 63379, 126758, 163123, 253516, 326246, 652492, 9950503, 19901006, 39802012]

約数ペア:

[(1, 39802012), (2, 19901006), (4, 9950503), (61, 652492), (122, 326246), (157, 253516), (244, 163123), (314, 126758), (628, 63379), (1039, 38308), (2078, 19154), (4156, 9577)]