204518416

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{70621}}^1$

素因数の和:70810

約数の個数: 20

約数和(自身を含む): 398449324

約数和(自身を除く): 193930908

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 70621, 141242, 282484, 564968, 1129936, 12782401, 25564802, 51129604, 102259208, 204518416]

約数ペア:

[(1, 204518416), (2, 102259208), (4, 51129604), (8, 25564802), (16, 12782401), (181, 1129936), (362, 564968), (724, 282484), (1448, 141242), (2896, 70621)]