256216338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1301}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 652458240

約数和(自身を除く): 396241902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 521, 1042, 1301, 1563, 2602, 3126, 3647, 3903, 4689, 7294, 7806, 9107, 9378, 10941, 11709, 14067, 18214, 21882, 23418, 27321, 28134, 32823, 35127, 54642, 65646, 70254, 81963, 98469, 163926, 196938, 245889, 491778, 677821, 1355642, 2033463, 4066926, 4744747, 6100389, 9489494, 12200778, 14234241, 18301167, 28468482, 36602334, 42702723, 85405446, 128108169, 256216338]

約数ペア:

[(1, 256216338), (2, 128108169), (3, 85405446), (6, 42702723), (7, 36602334), (9, 28468482), (14, 18301167), (18, 14234241), (21, 12200778), (27, 9489494), (42, 6100389), (54, 4744747), (63, 4066926), (126, 2033463), (189, 1355642), (378, 677821), (521, 491778), (1042, 245889), (1301, 196938), (1563, 163926), (2602, 98469), (3126, 81963), (3647, 70254), (3903, 65646), (4689, 54642), (7294, 35127), (7806, 32823), (9107, 28134), (9378, 27321), (10941, 23418), (11709, 21882), (14067, 18214)]