277977466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{20521}}^1$

素因数の和:21057

約数の個数: 16

約数和(自身を含む): 449924328

約数和(自身を除く): 171946862

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 20521, 41042, 266773, 533546, 10691441, 21382882, 138988733, 277977466]

約数ペア:

[(1, 277977466), (2, 138988733), (13, 21382882), (26, 10691441), (521, 533546), (1042, 266773), (6773, 41042), (13546, 20521)]