64885810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1471}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 127816704

約数和(自身を除く): 62930894

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 1471, 2005, 2942, 4010, 4411, 7355, 8822, 14710, 16181, 22055, 32362, 44110, 80905, 161810, 589871, 1179742, 2949355, 5898710, 6488581, 12977162, 32442905, 64885810]

約数ペア:

[(1, 64885810), (2, 32442905), (5, 12977162), (10, 6488581), (11, 5898710), (22, 2949355), (55, 1179742), (110, 589871), (401, 161810), (802, 80905), (1471, 44110), (2005, 32362), (2942, 22055), (4010, 16181), (4411, 14710), (7355, 8822)]