28427616

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 94348800

約数和(自身を除く): 65921184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 59, 63, 72, 84, 96, 112, 118, 126, 144, 168, 177, 224, 236, 239, 252, 288, 336, 354, 413, 472, 478, 504, 531, 672, 708, 717, 826, 944, 956, 1008, 1062, 1239, 1416, 1434, 1652, 1673, 1888, 1912, 2016, 2124, 2151, 2478, 2832, 2868, 3304, 3346, 3717, 3824, 4248, 4302, 4956, 5019, 5664, 5736, 6608, 6692, 7434, 7648, 8496, 8604, 9912, 10038, 11472, 13216, 13384, 14101, 14868, 15057, 16992, 17208, 19824, 20076, 22944, 26768, 28202, 29736, 30114, 34416, 39648, 40152, 42303, 53536, 56404, 59472, 60228, 68832, 80304, 84606, 98707, 112808, 118944, 120456, 126909, 160608, 169212, 197414, 225616, 240912, 253818, 296121, 338424, 394828, 451232, 481824, 507636, 592242, 676848, 789656, 888363, 1015272, 1184484, 1353696, 1579312, 1776726, 2030544, 2368968, 3158624, 3553452, 4061088, 4737936, 7106904, 9475872, 14213808, 28427616]

約数ペア:

[(1, 28427616), (2, 14213808), (3, 9475872), (4, 7106904), (6, 4737936), (7, 4061088), (8, 3553452), (9, 3158624), (12, 2368968), (14, 2030544), (16, 1776726), (18, 1579312), (21, 1353696), (24, 1184484), (28, 1015272), (32, 888363), (36, 789656), (42, 676848), (48, 592242), (56, 507636), (59, 481824), (63, 451232), (72, 394828), (84, 338424), (96, 296121), (112, 253818), (118, 240912), (126, 225616), (144, 197414), (168, 169212), (177, 160608), (224, 126909), (236, 120456), (239, 118944), (252, 112808), (288, 98707), (336, 84606), (354, 80304), (413, 68832), (472, 60228), (478, 59472), (504, 56404), (531, 53536), (672, 42303), (708, 40152), (717, 39648), (826, 34416), (944, 30114), (956, 29736), (1008, 28202), (1062, 26768), (1239, 22944), (1416, 20076), (1434, 19824), (1652, 17208), (1673, 16992), (1888, 15057), (1912, 14868), (2016, 14101), (2124, 13384), (2151, 13216), (2478, 11472), (2832, 10038), (2868, 9912), (3304, 8604), (3346, 8496), (3717, 7648), (3824, 7434), (4248, 6692), (4302, 6608), (4956, 5736), (5019, 5664)]