397223516772

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{256604339}}^1$

素因数の和:256604392

約数の個数: 36

約数和(自身を含む): 1027443777360

約数和(自身を除く): 630220260588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 256604339, 513208678, 769813017, 1026417356, 1539626034, 2309439051, 3079252068, 4618878102, 9237756204, 11033986577, 22067973154, 33101959731, 44135946308, 66203919462, 99305879193, 132407838924, 198611758386, 397223516772]

約数ペア:

[(1, 397223516772), (2, 198611758386), (3, 132407838924), (4, 99305879193), (6, 66203919462), (9, 44135946308), (12, 33101959731), (18, 22067973154), (36, 11033986577), (43, 9237756204), (86, 4618878102), (129, 3079252068), (172, 2309439051), (258, 1539626034), (387, 1026417356), (516, 769813017), (774, 513208678), (1548, 256604339)]