8705645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 11424000

約数和(自身を除く): 2718355

約数列:

[1, 5, 13, 65, 67, 335, 871, 1999, 4355, 9995, 25987, 129935, 133933, 669665, 1741129, 8705645]

約数ペア:

[(1, 8705645), (5, 1741129), (13, 669665), (65, 133933), (67, 129935), (335, 25987), (871, 9995), (1999, 4355)]