66880156

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{39157}}^1$

素因数の和:39229

約数の個数: 24

約数和(自身を含む): 135956576

約数和(自身を除く): 69076420

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 39157, 78314, 156628, 274099, 548198, 1096396, 2388577, 4777154, 9554308, 16720039, 33440078, 66880156]

約数ペア:

[(1, 66880156), (2, 33440078), (4, 16720039), (7, 9554308), (14, 4777154), (28, 2388577), (61, 1096396), (122, 548198), (244, 274099), (427, 156628), (854, 78314), (1708, 39157)]