291084025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{163991}}^1$

素因数の和:164072

約数の個数: 12

約数和(自身を含む): 366030144

約数和(自身を除く): 74946119

約数列:

[1, 5, 25, 71, 355, 1775, 163991, 819955, 4099775, 11643361, 58216805, 291084025]

約数ペア:

[(1, 291084025), (5, 58216805), (25, 11643361), (71, 4099775), (355, 819955), (1775, 163991)]