681284520008

素因数分解:

$2^3\times {\mathrm{167}}^1\times {\mathrm{509943503}}^1$

素因数の和:509943676

約数の個数: 16

約数和(自身を含む): 1285057630080

約数和(自身を除く): 603773110072

約数列:

[1, 2, 4, 8, 167, 334, 668, 1336, 509943503, 1019887006, 2039774012, 4079548024, 85160565001, 170321130002, 340642260004, 681284520008]

約数ペア:

[(1, 681284520008), (2, 340642260004), (4, 170321130002), (8, 85160565001), (167, 4079548024), (334, 2039774012), (668, 1019887006), (1336, 509943503)]