2791555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 3667104

約数和(自身を除く): 875549

約数列:

[1, 5, 13, 65, 67, 335, 641, 871, 3205, 4355, 8333, 41665, 42947, 214735, 558311, 2791555]

約数ペア:

[(1, 2791555), (5, 558311), (13, 214735), (65, 42947), (67, 41665), (335, 8333), (641, 4355), (871, 3205)]