638698687870

素因数分解:

$2^1\times 5^1\times {\mathrm{6827}}^1\times {\mathrm{9355481}}^1$

素因数の和:9362315

約数の個数: 16

約数和(自身を含む): 1149826159728

約数和(自身を除く): 511127471858

約数列:

[1, 2, 5, 10, 6827, 13654, 34135, 68270, 9355481, 18710962, 46777405, 93554810, 63869868787, 127739737574, 319349343935, 638698687870]

約数ペア:

[(1, 638698687870), (2, 319349343935), (5, 127739737574), (10, 63869868787), (6827, 93554810), (13654, 46777405), (34135, 18710962), (68270, 9355481)]