4490005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 5894784

約数和(自身を除く): 1404779

約数列:

[1, 5, 13, 65, 67, 335, 871, 1031, 4355, 5155, 13403, 67015, 69077, 345385, 898001, 4490005]

約数ペア:

[(1, 4490005), (5, 898001), (13, 345385), (65, 69077), (67, 67015), (335, 13403), (871, 5155), (1031, 4355)]