90400253

素因数分解:

${\mathrm{71}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 12

約数和(自身を含む): 93261120

約数和(自身を除く): 2860867

約数列:

[1, 71, 79, 227, 5041, 5609, 16117, 17933, 398239, 1144307, 1273243, 90400253]

約数ペア:

[(1, 90400253), (71, 1273243), (79, 1144307), (227, 398239), (5041, 17933), (5609, 16117)]