28630945

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 40305384

約数和(自身を除く): 11674439

約数列:

[1, 5, 7, 35, 49, 137, 245, 685, 853, 959, 4265, 4795, 5971, 6713, 29855, 33565, 41797, 116861, 208985, 584305, 818027, 4090135, 5726189, 28630945]

約数ペア:

[(1, 28630945), (5, 5726189), (7, 4090135), (35, 818027), (49, 584305), (137, 208985), (245, 116861), (685, 41797), (853, 33565), (959, 29855), (4265, 6713), (4795, 5971)]