256798584

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{509521}}^1$

素因数の和:509540

約数の個数: 48

約数和(自身を含む): 794854320

約数和(自身を除く): 538055736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 509521, 1019042, 1528563, 2038084, 3057126, 3566647, 4076168, 4585689, 6114252, 7133294, 9171378, 10699941, 12228504, 14266588, 18342756, 21399882, 28533176, 32099823, 36685512, 42799764, 64199646, 85599528, 128399292, 256798584]

約数ペア:

[(1, 256798584), (2, 128399292), (3, 85599528), (4, 64199646), (6, 42799764), (7, 36685512), (8, 32099823), (9, 28533176), (12, 21399882), (14, 18342756), (18, 14266588), (21, 12228504), (24, 10699941), (28, 9171378), (36, 7133294), (42, 6114252), (56, 4585689), (63, 4076168), (72, 3566647), (84, 3057126), (126, 2038084), (168, 1528563), (252, 1019042), (504, 509521)]