64869428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15791}}^1$

素因数の和:15887

約数の個数: 24

約数和(自身を含む): 123809280

約数和(自身を除く): 58939852

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 15791, 31582, 63164, 205283, 410566, 821132, 1247489, 2494978, 4989956, 16217357, 32434714, 64869428]

約数ペア:

[(1, 64869428), (2, 32434714), (4, 16217357), (13, 4989956), (26, 2494978), (52, 1247489), (79, 821132), (158, 410566), (316, 205283), (1027, 63164), (2054, 31582), (4108, 15791)]