65488972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{21017}}^1$

素因数の和:21081

約数の個数: 24

約数和(自身を含む): 123585840

約数和(自身を除く): 58096868

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 21017, 42034, 84068, 399323, 798646, 861697, 1597292, 1723394, 3446788, 16372243, 32744486, 65488972]

約数ペア:

[(1, 65488972), (2, 32744486), (4, 16372243), (19, 3446788), (38, 1723394), (41, 1597292), (76, 861697), (82, 798646), (164, 399323), (779, 84068), (1558, 42034), (3116, 21017)]