210854405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{25667}}^1$

素因数の和:25756

約数の個数: 16

約数和(自身を含む): 266125824

約数和(自身を除く): 55271419

約数列:

[1, 5, 31, 53, 155, 265, 1643, 8215, 25667, 128335, 795677, 1360351, 3978385, 6801755, 42170881, 210854405]

約数ペア:

[(1, 210854405), (5, 42170881), (31, 6801755), (53, 3978385), (155, 1360351), (265, 795677), (1643, 128335), (8215, 25667)]