121277828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139721}}^1$

素因数の和:139763

約数の個数: 24

約数和(自身を含む): 250381824

約数和(自身を除く): 129103996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 139721, 279442, 558884, 978047, 1956094, 3912188, 4331351, 8662702, 17325404, 30319457, 60638914, 121277828]

約数ペア:

[(1, 121277828), (2, 60638914), (4, 30319457), (7, 17325404), (14, 8662702), (28, 4331351), (31, 3912188), (62, 1956094), (124, 978047), (217, 558884), (434, 279442), (868, 139721)]