190121281

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{5281}}^1$

素因数の和:5464

約数の個数: 16

約数和(自身を含む): 224801920

約数和(自身を除く): 34680639

約数列:

[1, 7, 37, 139, 259, 973, 5143, 5281, 36001, 36967, 195397, 734059, 1367779, 5138413, 27160183, 190121281]

約数ペア:

[(1, 190121281), (7, 27160183), (37, 5138413), (139, 1367779), (259, 734059), (973, 195397), (5143, 36967), (5281, 36001)]