256973256

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{22447}}^1$

素因数の和:22515

約数の個数: 64

約数和(自身を含む): 727315200

約数和(自身を除く): 470341944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2862, 3816, 5724, 11448, 22447, 44894, 67341, 89788, 134682, 179576, 202023, 269364, 404046, 538728, 606069, 808092, 1189691, 1212138, 1616184, 2379382, 2424276, 3569073, 4758764, 4848552, 7138146, 9517528, 10707219, 14276292, 21414438, 28552584, 32121657, 42828876, 64243314, 85657752, 128486628, 256973256]

約数ペア:

[(1, 256973256), (2, 128486628), (3, 85657752), (4, 64243314), (6, 42828876), (8, 32121657), (9, 28552584), (12, 21414438), (18, 14276292), (24, 10707219), (27, 9517528), (36, 7138146), (53, 4848552), (54, 4758764), (72, 3569073), (106, 2424276), (108, 2379382), (159, 1616184), (212, 1212138), (216, 1189691), (318, 808092), (424, 606069), (477, 538728), (636, 404046), (954, 269364), (1272, 202023), (1431, 179576), (1908, 134682), (2862, 89788), (3816, 67341), (5724, 44894), (11448, 22447)]