248169620

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{28657}}^1$

素因数の和:29099

約数の個数: 24

約数和(自身を含む): 522378024

約数和(自身を除く): 274208404

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 28657, 57314, 114628, 143285, 286570, 573140, 12408481, 24816962, 49633924, 62042405, 124084810, 248169620]

約数ペア:

[(1, 248169620), (2, 124084810), (4, 62042405), (5, 49633924), (10, 24816962), (20, 12408481), (433, 573140), (866, 286570), (1732, 143285), (2165, 114628), (4330, 57314), (8660, 28657)]