64238570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1471}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 126544896

約数和(自身を除く): 62306326

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1471, 1985, 2942, 3970, 4367, 7355, 8734, 14710, 16181, 21835, 32362, 43670, 80905, 161810, 583987, 1167974, 2919935, 5839870, 6423857, 12847714, 32119285, 64238570]

約数ペア:

[(1, 64238570), (2, 32119285), (5, 12847714), (10, 6423857), (11, 5839870), (22, 2919935), (55, 1167974), (110, 583987), (397, 161810), (794, 80905), (1471, 43670), (1985, 32362), (2942, 21835), (3970, 16181), (4367, 14710), (7355, 8734)]