389780755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 599074560

約数和(自身を除く): 209293805

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 137, 169, 185, 259, 455, 481, 685, 845, 959, 1183, 1295, 1781, 2197, 2405, 3367, 4795, 5069, 5915, 6253, 8905, 10985, 12467, 15379, 16835, 23153, 25345, 31265, 35483, 43771, 62335, 65897, 76895, 81289, 115765, 162071, 177415, 218855, 300989, 329485, 406445, 461279, 569023, 810355, 856661, 1504945, 2106923, 2306395, 2845115, 4283305, 5996627, 10534615, 11136593, 29983135, 55682965, 77956151, 389780755]

約数ペア:

[(1, 389780755), (5, 77956151), (7, 55682965), (13, 29983135), (35, 11136593), (37, 10534615), (65, 5996627), (91, 4283305), (137, 2845115), (169, 2306395), (185, 2106923), (259, 1504945), (455, 856661), (481, 810355), (685, 569023), (845, 461279), (959, 406445), (1183, 329485), (1295, 300989), (1781, 218855), (2197, 177415), (2405, 162071), (3367, 115765), (4795, 81289), (5069, 76895), (5915, 65897), (6253, 62335), (8905, 43771), (10985, 35483), (12467, 31265), (15379, 25345), (16835, 23153)]