1388798416

素因数分解:

$2^4\times {\mathrm{7013}}^1\times {\mathrm{12377}}^1$

素因数の和:19398

約数の個数: 20

約数和(自身を含む): 2691398052

約数和(自身を除く): 1302599636

約数列:

[1, 2, 4, 8, 16, 7013, 12377, 14026, 24754, 28052, 49508, 56104, 99016, 112208, 198032, 86799901, 173599802, 347199604, 694399208, 1388798416]

約数ペア:

[(1, 1388798416), (2, 694399208), (4, 347199604), (8, 173599802), (16, 86799901), (7013, 198032), (12377, 112208), (14026, 99016), (24754, 56104), (28052, 49508)]