638717054

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139397}}^1$

素因数の和:139507

約数の個数: 16

約数和(自身を含む): 1003665600

約数和(自身を除く): 364948546

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4582, 139397, 278794, 4042513, 8085026, 11012363, 22024726, 319358527, 638717054]

約数ペア:

[(1, 638717054), (2, 319358527), (29, 22024726), (58, 11012363), (79, 8085026), (158, 4042513), (2291, 278794), (4582, 139397)]