12720587

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 14625792

約数和(自身を除く): 1905205

約数列:

[1, 11, 23, 137, 253, 367, 1507, 3151, 4037, 8441, 34661, 50279, 92851, 553069, 1156417, 12720587]

約数ペア:

[(1, 12720587), (11, 1156417), (23, 553069), (137, 92851), (253, 50279), (367, 34661), (1507, 8441), (3151, 4037)]