278322889

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 315235800

約数和(自身を除く): 36912911

約数列:

[1, 13, 29, 109, 169, 377, 521, 1417, 3161, 4901, 6773, 15109, 18421, 41093, 56789, 88049, 196417, 534209, 738257, 1646881, 2553421, 9597341, 21409453, 278322889]

約数ペア:

[(1, 278322889), (13, 21409453), (29, 9597341), (109, 2553421), (169, 1646881), (377, 738257), (521, 534209), (1417, 196417), (3161, 88049), (4901, 56789), (6773, 41093), (15109, 18421)]