213997247

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 233349120

約数和(自身を除く): 19351873

約数列:

[1, 19, 31, 421, 589, 863, 7999, 13051, 16397, 26753, 247969, 363323, 508307, 6903137, 11263013, 213997247]

約数ペア:

[(1, 213997247), (19, 11263013), (31, 6903137), (421, 508307), (589, 363323), (863, 247969), (7999, 26753), (13051, 16397)]