388777739

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{1381}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 449492736

約数和(自身を除く): 60714997

約数列:

[1, 7, 131, 307, 917, 1381, 2149, 9667, 40217, 180911, 281519, 423967, 1266377, 2967769, 55539677, 388777739]

約数ペア:

[(1, 388777739), (7, 55539677), (131, 2967769), (307, 1266377), (917, 423967), (1381, 281519), (2149, 180911), (9667, 40217)]