990574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 1653120

約数和(自身を除く): 662546

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1229, 2458, 15977, 31954, 38099, 76198, 495287, 990574]

約数ペア:

[(1, 990574), (2, 495287), (13, 76198), (26, 38099), (31, 31954), (62, 15977), (403, 2458), (806, 1229)]