168805405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 219099384

約数和(自身を除く): 50293979

約数列:

[1, 5, 19, 41, 95, 205, 361, 779, 1805, 2281, 3895, 11405, 14801, 43339, 74005, 93521, 216695, 467605, 823441, 1776899, 4117205, 8884495, 33761081, 168805405]

約数ペア:

[(1, 168805405), (5, 33761081), (19, 8884495), (41, 4117205), (95, 1776899), (205, 823441), (361, 467605), (779, 216695), (1805, 93521), (2281, 74005), (3895, 43339), (11405, 14801)]