16490357

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 3830923

約数列:

[1, 13, 17, 29, 31, 83, 221, 377, 403, 493, 527, 899, 1079, 1411, 2407, 2573, 6409, 6851, 11687, 15283, 18343, 31291, 33449, 40919, 43741, 74617, 198679, 531947, 568633, 970021, 1268489, 16490357]

約数ペア:

[(1, 16490357), (13, 1268489), (17, 970021), (29, 568633), (31, 531947), (83, 198679), (221, 74617), (377, 43741), (403, 40919), (493, 33449), (527, 31291), (899, 18343), (1079, 15283), (1411, 11687), (2407, 6851), (2573, 6409)]