42780538

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 65070720

約数和(自身を除く): 22290182

約数列:

[1, 2, 109, 218, 311, 622, 631, 1262, 33899, 67798, 68779, 137558, 196241, 392482, 21390269, 42780538]

約数ペア:

[(1, 42780538), (2, 21390269), (109, 392482), (218, 196241), (311, 137558), (622, 68779), (631, 67798), (1262, 33899)]