255780486

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1870

約数の個数: 72

約数和(自身を含む): 613211040

約数和(自身を除く): 357430554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 169, 234, 282, 338, 423, 507, 611, 846, 1014, 1222, 1521, 1789, 1833, 3042, 3578, 3666, 5367, 5499, 7943, 10734, 10998, 15886, 16101, 23257, 23829, 32202, 46514, 47658, 69771, 71487, 84083, 139542, 142974, 168166, 209313, 252249, 302341, 418626, 504498, 604682, 756747, 907023, 1093079, 1513494, 1814046, 2186158, 2721069, 3279237, 5442138, 6558474, 9837711, 14210027, 19675422, 28420054, 42630081, 85260162, 127890243, 255780486]

約数ペア:

[(1, 255780486), (2, 127890243), (3, 85260162), (6, 42630081), (9, 28420054), (13, 19675422), (18, 14210027), (26, 9837711), (39, 6558474), (47, 5442138), (78, 3279237), (94, 2721069), (117, 2186158), (141, 1814046), (169, 1513494), (234, 1093079), (282, 907023), (338, 756747), (423, 604682), (507, 504498), (611, 418626), (846, 302341), (1014, 252249), (1222, 209313), (1521, 168166), (1789, 142974), (1833, 139542), (3042, 84083), (3578, 71487), (3666, 69771), (5367, 47658), (5499, 46514), (7943, 32202), (10734, 23829), (10998, 23257), (15886, 16101)]