861431519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{42019}}^1$

素因数の和:42134

約数の個数: 16

約数和(自身を含む): 988310400

約数和(自身を除く): 126878881

約数列:

[1, 13, 19, 83, 247, 1079, 1577, 20501, 42019, 546247, 798361, 3487577, 10378693, 45338501, 66263963, 861431519]

約数ペア:

[(1, 861431519), (13, 66263963), (19, 45338501), (83, 10378693), (247, 3487577), (1079, 798361), (1577, 546247), (20501, 42019)]