8171891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 10180800

約数和(自身を除く): 2008909

約数列:

[1, 7, 13, 89, 91, 623, 1009, 1157, 7063, 8099, 13117, 89801, 91819, 628607, 1167413, 8171891]

約数ペア:

[(1, 8171891), (7, 1167413), (13, 628607), (89, 91819), (91, 89801), (623, 13117), (1009, 8099), (1157, 7063)]