678741956

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{617}}^1\times {\mathrm{5189}}^1$

素因数の和:5863

約数の個数: 24

約数和(自身を含む): 1212404760

約数和(自身を除く): 533662804

約数列:

[1, 2, 4, 53, 106, 212, 617, 1234, 2468, 5189, 10378, 20756, 32701, 65402, 130804, 275017, 550034, 1100068, 3201613, 6403226, 12806452, 169685489, 339370978, 678741956]

約数ペア:

[(1, 678741956), (2, 339370978), (4, 169685489), (53, 12806452), (106, 6403226), (212, 3201613), (617, 1100068), (1234, 550034), (2468, 275017), (5189, 130804), (10378, 65402), (20756, 32701)]