2780490697939

素因数分解:

${\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{55411441}}^1$

素因数の和:55411618

約数の個数: 12

約数和(自身を含む): 2955646316280

約数和(自身を除く): 175155618341

約数列:

[1, 19, 139, 361, 2641, 50179, 55411441, 1052817379, 7702190299, 20003530201, 146341615681, 2780490697939]

約数ペア:

[(1, 2780490697939), (19, 146341615681), (139, 20003530201), (361, 7702190299), (2641, 1052817379), (50179, 55411441)]