256280217

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 354800160

約数和(自身を除く): 98519943

約数列:

[1, 3, 41, 89, 123, 267, 571, 1681, 1713, 3649, 5043, 10947, 23411, 50819, 70233, 149609, 152457, 448827, 959851, 2083579, 2879553, 6250737, 85426739, 256280217]

約数ペア:

[(1, 256280217), (3, 85426739), (41, 6250737), (89, 2879553), (123, 2083579), (267, 959851), (571, 448827), (1681, 152457), (1713, 149609), (3649, 70233), (5043, 50819), (10947, 23411)]