420919994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{43189}}^1$

素因数の和:43645

約数の個数: 16

約数和(自身を含む): 690348960

約数和(自身を除く): 269428966

約数列:

[1, 2, 11, 22, 443, 886, 4873, 9746, 43189, 86378, 475079, 950158, 19132727, 38265454, 210459997, 420919994]

約数ペア:

[(1, 420919994), (2, 210459997), (11, 38265454), (22, 19132727), (443, 950158), (886, 475079), (4873, 86378), (9746, 43189)]