239802017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 314092800

約数和(自身を除く): 74290783

約数列:

[1, 7, 13, 17, 91, 119, 221, 379, 409, 1547, 2653, 2863, 4927, 5317, 6443, 6953, 34489, 37219, 45101, 48671, 83759, 90389, 155011, 586313, 632723, 1085077, 2015143, 2635187, 14106001, 18446309, 34257431, 239802017]

約数ペア:

[(1, 239802017), (7, 34257431), (13, 18446309), (17, 14106001), (91, 2635187), (119, 2015143), (221, 1085077), (379, 632723), (409, 586313), (1547, 155011), (2653, 90389), (2863, 83759), (4927, 48671), (5317, 45101), (6443, 37219), (6953, 34489)]