420089938

素因数分解:

$2^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1\times {\mathrm{997}}^1$

素因数の和:1917

約数の個数: 16

約数和(自身を含む): 633518424

約数和(自身を除く): 213428486

約数列:

[1, 2, 457, 461, 914, 922, 997, 1994, 210677, 421354, 455629, 459617, 911258, 919234, 210044969, 420089938]

約数ペア:

[(1, 420089938), (2, 210044969), (457, 919234), (461, 911258), (914, 459617), (922, 455629), (997, 421354), (1994, 210677)]