51173885

素因数分解:

$5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 73094400

約数和(自身を除く): 21920515

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 343, 371, 563, 1715, 1855, 2597, 2815, 3941, 12985, 18179, 19705, 27587, 29839, 90895, 137935, 149195, 193109, 208873, 965545, 1044365, 1462111, 7310555, 10234777, 51173885]

約数ペア:

[(1, 51173885), (5, 10234777), (7, 7310555), (35, 1462111), (49, 1044365), (53, 965545), (245, 208873), (265, 193109), (343, 149195), (371, 137935), (563, 90895), (1715, 29839), (1855, 27587), (2597, 19705), (2815, 18179), (3941, 12985)]