720280016

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{671903}}^1$

素因数の和:671978

約数の個数: 20

約数和(自身を含む): 1416373632

約数和(自身を除く): 696093616

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 671903, 1343806, 2687612, 5375224, 10750448, 45017501, 90035002, 180070004, 360140008, 720280016]

約数ペア:

[(1, 720280016), (2, 360140008), (4, 180070004), (8, 90035002), (16, 45017501), (67, 10750448), (134, 5375224), (268, 2687612), (536, 1343806), (1072, 671903)]