649231921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{225977}}^1$

素因数の和:226020

約数の個数: 12

約数和(自身を含む): 744371532

約数和(自身を除く): 95139611

約数列:

[1, 13, 17, 169, 221, 2873, 225977, 2937701, 3841609, 38190113, 49940917, 649231921]

約数ペア:

[(1, 649231921), (13, 49940917), (17, 38190113), (169, 3841609), (221, 2937701), (2873, 225977)]