90212551

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33203}}^1$

素因数の和:33246

約数の個数: 16

約数和(自身を含む): 111565440

約数和(自身を除く): 21352889

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 33203, 365233, 431639, 630857, 4748029, 6939427, 8201141, 90212551]

約数ペア:

[(1, 90212551), (11, 8201141), (13, 6939427), (19, 4748029), (143, 630857), (209, 431639), (247, 365233), (2717, 33203)]