31123728

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^2\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 90

約数和(自身を含む): 90561354

約数和(自身を除く): 59437626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 257, 261, 348, 464, 514, 522, 696, 771, 841, 1028, 1044, 1392, 1542, 1682, 2056, 2088, 2313, 2523, 3084, 3364, 4112, 4176, 4626, 5046, 6168, 6728, 7453, 7569, 9252, 10092, 12336, 13456, 14906, 15138, 18504, 20184, 22359, 29812, 30276, 37008, 40368, 44718, 59624, 60552, 67077, 89436, 119248, 121104, 134154, 178872, 216137, 268308, 357744, 432274, 536616, 648411, 864548, 1073232, 1296822, 1729096, 1945233, 2593644, 3458192, 3890466, 5187288, 7780932, 10374576, 15561864, 31123728]

約数ペア:

[(1, 31123728), (2, 15561864), (3, 10374576), (4, 7780932), (6, 5187288), (8, 3890466), (9, 3458192), (12, 2593644), (16, 1945233), (18, 1729096), (24, 1296822), (29, 1073232), (36, 864548), (48, 648411), (58, 536616), (72, 432274), (87, 357744), (116, 268308), (144, 216137), (174, 178872), (232, 134154), (257, 121104), (261, 119248), (348, 89436), (464, 67077), (514, 60552), (522, 59624), (696, 44718), (771, 40368), (841, 37008), (1028, 30276), (1044, 29812), (1392, 22359), (1542, 20184), (1682, 18504), (2056, 15138), (2088, 14906), (2313, 13456), (2523, 12336), (3084, 10092), (3364, 9252), (4112, 7569), (4176, 7453), (4626, 6728), (5046, 6168)]