64517128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4463}}^1$

素因数の和:4621

約数の個数: 32

約数和(自身を含む): 131241600

約数和(自身を除く): 66724472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 3614, 4463, 7228, 8926, 14456, 17852, 35704, 58019, 116038, 232076, 464152, 620357, 1240714, 2481428, 4962856, 8064641, 16129282, 32258564, 64517128]

約数ペア:

[(1, 64517128), (2, 32258564), (4, 16129282), (8, 8064641), (13, 4962856), (26, 2481428), (52, 1240714), (104, 620357), (139, 464152), (278, 232076), (556, 116038), (1112, 58019), (1807, 35704), (3614, 17852), (4463, 14456), (7228, 8926)]