81743995

素因数分解:

$5^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 99348480

約数和(自身を除く): 17604485

約数列:

[1, 5, 167, 223, 439, 835, 1115, 2195, 37241, 73313, 97897, 186205, 366565, 489485, 16348799, 81743995]

約数ペア:

[(1, 81743995), (5, 16348799), (167, 489485), (223, 366565), (439, 186205), (835, 97897), (1115, 73313), (2195, 37241)]