42661978

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:989

約数の個数: 16

約数和(自身を含む): 64800000

約数和(自身を除く): 22138022

約数列:

[1, 2, 149, 239, 298, 478, 599, 1198, 35611, 71222, 89251, 143161, 178502, 286322, 21330989, 42661978]

約数ペア:

[(1, 42661978), (2, 21330989), (149, 286322), (239, 178502), (298, 143161), (478, 89251), (599, 71222), (1198, 35611)]