261773824

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:685

約数の個数: 80

約数和(自身を含む): 572650848

約数和(自身を除く): 310877024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 512, 536, 587, 832, 871, 1072, 1174, 1664, 1742, 2144, 2348, 3328, 3484, 4288, 4696, 6656, 6968, 7631, 8576, 9392, 13936, 15262, 17152, 18784, 27872, 30524, 34304, 37568, 39329, 55744, 61048, 75136, 78658, 111488, 122096, 150272, 157316, 222976, 244192, 300544, 314632, 445952, 488384, 511277, 629264, 976768, 1022554, 1258528, 1953536, 2045108, 2517056, 3907072, 4090216, 5034112, 8180432, 10068224, 16360864, 20136448, 32721728, 65443456, 130886912, 261773824]

約数ペア:

[(1, 261773824), (2, 130886912), (4, 65443456), (8, 32721728), (13, 20136448), (16, 16360864), (26, 10068224), (32, 8180432), (52, 5034112), (64, 4090216), (67, 3907072), (104, 2517056), (128, 2045108), (134, 1953536), (208, 1258528), (256, 1022554), (268, 976768), (416, 629264), (512, 511277), (536, 488384), (587, 445952), (832, 314632), (871, 300544), (1072, 244192), (1174, 222976), (1664, 157316), (1742, 150272), (2144, 122096), (2348, 111488), (3328, 78658), (3484, 75136), (4288, 61048), (4696, 55744), (6656, 39329), (6968, 37568), (7631, 34304), (8576, 30524), (9392, 27872), (13936, 18784), (15262, 17152)]