64438890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30253}}^1$

素因数の和:30334

約数の個数: 32

約数和(自身を含む): 156836736

約数和(自身を除く): 92397846

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 30253, 60506, 90759, 151265, 181518, 302530, 453795, 907590, 2147963, 4295926, 6443889, 10739815, 12887778, 21479630, 32219445, 64438890]

約数ペア:

[(1, 64438890), (2, 32219445), (3, 21479630), (5, 12887778), (6, 10739815), (10, 6443889), (15, 4295926), (30, 2147963), (71, 907590), (142, 453795), (213, 302530), (355, 181518), (426, 151265), (710, 90759), (1065, 60506), (2130, 30253)]