1891279

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 18

約数和(自身を含む): 2231136

約数和(自身を除く): 339857

約数列:

[1, 13, 19, 31, 169, 247, 361, 403, 589, 3211, 4693, 5239, 7657, 11191, 61009, 99541, 145483, 1891279]

約数ペア:

[(1, 1891279), (13, 145483), (19, 99541), (31, 61009), (169, 11191), (247, 7657), (361, 5239), (403, 4693), (589, 3211)]