2561986562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{485041}}^1$

素因数の和:485201

約数の個数: 16

約数和(自身を含む): 4074352800

約数和(自身を除く): 1512366238

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 485041, 970082, 9215779, 18431558, 67420699, 134841398, 1280993281, 2561986562]

約数ペア:

[(1, 2561986562), (2, 1280993281), (19, 134841398), (38, 67420699), (139, 18431558), (278, 9215779), (2641, 970082), (5282, 485041)]