138239416

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79631}}^1$

素因数の和:79675

約数の個数: 32

約数和(自身を含む): 305786880

約数和(自身を除く): 167547464

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 79631, 159262, 318524, 557417, 637048, 1114834, 2229668, 2468561, 4459336, 4937122, 9874244, 17279927, 19748488, 34559854, 69119708, 138239416]

約数ペア:

[(1, 138239416), (2, 69119708), (4, 34559854), (7, 19748488), (8, 17279927), (14, 9874244), (28, 4937122), (31, 4459336), (56, 2468561), (62, 2229668), (124, 1114834), (217, 637048), (248, 557417), (434, 318524), (868, 159262), (1736, 79631)]