409620908

素因数分解:

$2^2\times {\mathrm{787}}^1\times {\mathrm{130121}}^1$

素因数の和:130912

約数の個数: 12

約数和(自身を含む): 717752952

約数和(自身を除く): 308132044

約数列:

[1, 2, 4, 787, 1574, 3148, 130121, 260242, 520484, 102405227, 204810454, 409620908]

約数ペア:

[(1, 409620908), (2, 204810454), (4, 102405227), (787, 520484), (1574, 260242), (3148, 130121)]