17990947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 20708352

約数和(自身を除く): 2717405

約数列:

[1, 13, 17, 127, 221, 641, 1651, 2159, 8333, 10897, 28067, 81407, 141661, 1058291, 1383919, 17990947]

約数ペア:

[(1, 17990947), (13, 1383919), (17, 1058291), (127, 141661), (221, 81407), (641, 28067), (1651, 10897), (2159, 8333)]