66987452

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{26881}}^1$

素因数の和:26981

約数の個数: 24

約数和(自身を含む): 135485280

約数和(自身を除く): 68497828

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 26881, 53762, 107524, 188167, 376334, 752668, 2392409, 4784818, 9569636, 16746863, 33493726, 66987452]

約数ペア:

[(1, 66987452), (2, 33493726), (4, 16746863), (7, 9569636), (14, 4784818), (28, 2392409), (89, 752668), (178, 376334), (356, 188167), (623, 107524), (1246, 53762), (2492, 26881)]