688889114

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1\times {\mathrm{1997}}^1$

素因数の和:3169

約数の個数: 16

約数和(自身を含む): 1040870088

約数和(自身を除く): 351980974

約数列:

[1, 2, 173, 346, 997, 1994, 1997, 3994, 172481, 344962, 345481, 690962, 1991009, 3982018, 344444557, 688889114]

約数ペア:

[(1, 688889114), (2, 344444557), (173, 3982018), (346, 1991009), (997, 690962), (1994, 345481), (1997, 344962), (3994, 172481)]