27719315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6991}}^1$

素因数の和:7070

約数の個数: 16

約数和(自身を含む): 36414336

約数和(自身を除く): 8695021

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 6991, 34955, 90883, 426451, 454415, 2132255, 5543863, 27719315]

約数ペア:

[(1, 27719315), (5, 5543863), (13, 2132255), (61, 454415), (65, 426451), (305, 90883), (793, 34955), (3965, 6991)]