12966148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 24537240

約数和(自身を除く): 11571092

約数列:

[1, 2, 4, 13, 26, 52, 389, 641, 778, 1282, 1556, 2564, 5057, 8333, 10114, 16666, 20228, 33332, 249349, 498698, 997396, 3241537, 6483074, 12966148]

約数ペア:

[(1, 12966148), (2, 6483074), (4, 3241537), (13, 997396), (26, 498698), (52, 249349), (389, 33332), (641, 20228), (778, 16666), (1282, 10114), (1556, 8333), (2564, 5057)]