256988424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2357}}^1$

素因数の和:2443

約数の個数: 128

約数和(自身を含む): 814924800

約数和(自身を除く): 557936376

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 59, 66, 77, 84, 88, 118, 132, 154, 168, 177, 231, 236, 264, 308, 354, 413, 462, 472, 616, 649, 708, 826, 924, 1239, 1298, 1416, 1652, 1848, 1947, 2357, 2478, 2596, 3304, 3894, 4543, 4714, 4956, 5192, 7071, 7788, 9086, 9428, 9912, 13629, 14142, 15576, 16499, 18172, 18856, 25927, 27258, 28284, 32998, 36344, 49497, 51854, 54516, 56568, 65996, 77781, 98994, 103708, 109032, 131992, 139063, 155562, 181489, 197988, 207416, 278126, 311124, 362978, 395976, 417189, 544467, 556252, 622248, 725956, 834378, 973441, 1088934, 1112504, 1451912, 1529693, 1668756, 1946882, 2177868, 2920323, 3059386, 3337512, 3893764, 4355736, 4589079, 5840646, 6118772, 7787528, 9178158, 10707851, 11681292, 12237544, 18356316, 21415702, 23362584, 32123553, 36712632, 42831404, 64247106, 85662808, 128494212, 256988424]

約数ペア:

[(1, 256988424), (2, 128494212), (3, 85662808), (4, 64247106), (6, 42831404), (7, 36712632), (8, 32123553), (11, 23362584), (12, 21415702), (14, 18356316), (21, 12237544), (22, 11681292), (24, 10707851), (28, 9178158), (33, 7787528), (42, 6118772), (44, 5840646), (56, 4589079), (59, 4355736), (66, 3893764), (77, 3337512), (84, 3059386), (88, 2920323), (118, 2177868), (132, 1946882), (154, 1668756), (168, 1529693), (177, 1451912), (231, 1112504), (236, 1088934), (264, 973441), (308, 834378), (354, 725956), (413, 622248), (462, 556252), (472, 544467), (616, 417189), (649, 395976), (708, 362978), (826, 311124), (924, 278126), (1239, 207416), (1298, 197988), (1416, 181489), (1652, 155562), (1848, 139063), (1947, 131992), (2357, 109032), (2478, 103708), (2596, 98994), (3304, 77781), (3894, 65996), (4543, 56568), (4714, 54516), (4956, 51854), (5192, 49497), (7071, 36344), (7788, 32998), (9086, 28284), (9428, 27258), (9912, 25927), (13629, 18856), (14142, 18172), (15576, 16499)]