64191790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17027}}^1$

素因数の和:17076

約数の個数: 32

約数和(自身を含む): 128731680

約数和(自身を除く): 64539890

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 17027, 34054, 85135, 170270, 221351, 442702, 493783, 987566, 1106755, 2213510, 2468915, 4937830, 6419179, 12838358, 32095895, 64191790]

約数ペア:

[(1, 64191790), (2, 32095895), (5, 12838358), (10, 6419179), (13, 4937830), (26, 2468915), (29, 2213510), (58, 1106755), (65, 987566), (130, 493783), (145, 442702), (290, 221351), (377, 170270), (754, 85135), (1885, 34054), (3770, 17027)]