256223208

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2663}}^1$

素因数の和:2902

約数の個数: 64

約数和(自身を含む): 677721600

約数和(自身を除く): 421498392

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 211, 228, 422, 456, 633, 844, 1266, 1688, 2532, 2663, 4009, 5064, 5326, 7989, 8018, 10652, 12027, 15978, 16036, 21304, 24054, 31956, 32072, 48108, 50597, 63912, 96216, 101194, 151791, 202388, 303582, 404776, 561893, 607164, 1123786, 1214328, 1685679, 2247572, 3371358, 4495144, 6742716, 10675967, 13485432, 21351934, 32027901, 42703868, 64055802, 85407736, 128111604, 256223208]

約数ペア:

[(1, 256223208), (2, 128111604), (3, 85407736), (4, 64055802), (6, 42703868), (8, 32027901), (12, 21351934), (19, 13485432), (24, 10675967), (38, 6742716), (57, 4495144), (76, 3371358), (114, 2247572), (152, 1685679), (211, 1214328), (228, 1123786), (422, 607164), (456, 561893), (633, 404776), (844, 303582), (1266, 202388), (1688, 151791), (2532, 101194), (2663, 96216), (4009, 63912), (5064, 50597), (5326, 48108), (7989, 32072), (8018, 31956), (10652, 24054), (12027, 21304), (15978, 16036)]