66401870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{84053}}^1$

素因数の和:84139

約数の個数: 16

約数和(自身を含む): 121037760

約数和(自身を除く): 54635890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 84053, 168106, 420265, 840530, 6640187, 13280374, 33200935, 66401870]

約数ペア:

[(1, 66401870), (2, 33200935), (5, 13280374), (10, 6640187), (79, 840530), (158, 420265), (395, 168106), (790, 84053)]