256331244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{2707}}^1$

素因数の和:3334

約数の個数: 48

約数和(自身を含む): 645413888

約数和(自身を除く): 389082644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 607, 1214, 1821, 2428, 2707, 3642, 5414, 7284, 7891, 8121, 10828, 15782, 16242, 23673, 31564, 32484, 35191, 47346, 70382, 94692, 105573, 140764, 211146, 422292, 1643149, 3286298, 4929447, 6572596, 9858894, 19717788, 21360937, 42721874, 64082811, 85443748, 128165622, 256331244]

約数ペア:

[(1, 256331244), (2, 128165622), (3, 85443748), (4, 64082811), (6, 42721874), (12, 21360937), (13, 19717788), (26, 9858894), (39, 6572596), (52, 4929447), (78, 3286298), (156, 1643149), (607, 422292), (1214, 211146), (1821, 140764), (2428, 105573), (2707, 94692), (3642, 70382), (5414, 47346), (7284, 35191), (7891, 32484), (8121, 31564), (10828, 23673), (15782, 16242)]