199940978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{255679}}^1$

素因数の和:255721

約数の個数: 16

約数和(自身を含む): 331361280

約数和(自身を除く): 131420302

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 255679, 511358, 4346543, 5880617, 8693086, 11761234, 99970489, 199940978]

約数ペア:

[(1, 199940978), (2, 99970489), (17, 11761234), (23, 8693086), (34, 5880617), (46, 4346543), (391, 511358), (782, 255679)]