405440252

素因数分解:

$2^2\times 7^1\times {\mathrm{14480009}}^1$

素因数の和:14480020

約数の個数: 12

約数和(自身を含む): 810880560

約数和(自身を除く): 405440308

約数列:

[1, 2, 4, 7, 14, 28, 14480009, 28960018, 57920036, 101360063, 202720126, 405440252]

約数ペア:

[(1, 405440252), (2, 202720126), (4, 101360063), (7, 57920036), (14, 28960018), (28, 14480009)]