168301978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{20681}}^1$

素因数の和:21009

約数の個数: 16

約数和(自身を含む): 272754216

約数和(自身を除く): 104452238

約数列:

[1, 2, 13, 26, 313, 626, 4069, 8138, 20681, 41362, 268853, 537706, 6473153, 12946306, 84150989, 168301978]

約数ペア:

[(1, 168301978), (2, 84150989), (13, 12946306), (26, 6473153), (313, 537706), (626, 268853), (4069, 41362), (8138, 20681)]