123405356

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{2129}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 221741520

約数和(自身を除く): 98336164

約数列:

[1, 2, 4, 43, 86, 172, 337, 674, 1348, 2129, 4258, 8516, 14491, 28982, 57964, 91547, 183094, 366188, 717473, 1434946, 2869892, 30851339, 61702678, 123405356]

約数ペア:

[(1, 123405356), (2, 61702678), (4, 30851339), (43, 2869892), (86, 1434946), (172, 717473), (337, 366188), (674, 183094), (1348, 91547), (2129, 57964), (4258, 28982), (8516, 14491)]