163910245

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 210677760

約数和(自身を除く): 46767515

約数列:

[1, 5, 19, 71, 95, 355, 361, 1279, 1349, 1805, 6395, 6745, 24301, 25631, 90809, 121505, 128155, 454045, 461719, 1725371, 2308595, 8626855, 32782049, 163910245]

約数ペア:

[(1, 163910245), (5, 32782049), (19, 8626855), (71, 2308595), (95, 1725371), (355, 461719), (361, 454045), (1279, 128155), (1349, 121505), (1805, 90809), (6395, 25631), (6745, 24301)]