420997916

素因数分解:

$2^2\times {\mathrm{4153}}^1\times {\mathrm{25343}}^1$

素因数の和:29500

約数の個数: 12

約数和(自身を含む): 736952832

約数和(自身を除く): 315954916

約数列:

[1, 2, 4, 4153, 8306, 16612, 25343, 50686, 101372, 105249479, 210498958, 420997916]

約数ペア:

[(1, 420997916), (2, 210498958), (4, 105249479), (4153, 101372), (8306, 50686), (16612, 25343)]