20171156551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{722023}}^1$

素因数の和:722350

約数の個数: 16

約数和(自身を含む): 24906939904

約数和(自身を除く): 4735783353

約数列:

[1, 7, 13, 91, 307, 2149, 3991, 27937, 722023, 5054161, 9386299, 65704093, 221661061, 1551627427, 2881593793, 20171156551]

約数ペア:

[(1, 20171156551), (7, 2881593793), (13, 1551627427), (91, 221661061), (307, 65704093), (2149, 9386299), (3991, 5054161), (27937, 722023)]