28450188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 83655936

約数和(自身を除く): 55205748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 37, 39, 52, 53, 62, 74, 78, 93, 106, 111, 117, 124, 148, 156, 159, 186, 212, 222, 234, 279, 318, 333, 372, 403, 444, 468, 477, 481, 558, 636, 666, 689, 806, 954, 962, 1116, 1147, 1209, 1332, 1378, 1443, 1612, 1643, 1908, 1924, 1961, 2067, 2294, 2418, 2756, 2886, 3286, 3441, 3627, 3922, 4134, 4329, 4588, 4836, 4929, 5772, 5883, 6201, 6572, 6882, 7254, 7844, 8268, 8658, 9858, 10323, 11766, 12402, 13764, 14508, 14787, 14911, 17316, 17649, 19716, 20646, 21359, 23532, 24804, 25493, 29574, 29822, 35298, 41292, 42718, 44733, 50986, 59148, 59644, 60791, 64077, 70596, 76479, 85436, 89466, 101972, 121582, 128154, 134199, 152958, 178932, 182373, 192231, 229437, 243164, 256308, 268398, 305916, 364746, 384462, 458874, 536796, 547119, 729492, 768924, 790283, 917748, 1094238, 1580566, 2188476, 2370849, 3161132, 4741698, 7112547, 9483396, 14225094, 28450188]

約数ペア:

[(1, 28450188), (2, 14225094), (3, 9483396), (4, 7112547), (6, 4741698), (9, 3161132), (12, 2370849), (13, 2188476), (18, 1580566), (26, 1094238), (31, 917748), (36, 790283), (37, 768924), (39, 729492), (52, 547119), (53, 536796), (62, 458874), (74, 384462), (78, 364746), (93, 305916), (106, 268398), (111, 256308), (117, 243164), (124, 229437), (148, 192231), (156, 182373), (159, 178932), (186, 152958), (212, 134199), (222, 128154), (234, 121582), (279, 101972), (318, 89466), (333, 85436), (372, 76479), (403, 70596), (444, 64077), (468, 60791), (477, 59644), (481, 59148), (558, 50986), (636, 44733), (666, 42718), (689, 41292), (806, 35298), (954, 29822), (962, 29574), (1116, 25493), (1147, 24804), (1209, 23532), (1332, 21359), (1378, 20646), (1443, 19716), (1612, 17649), (1643, 17316), (1908, 14911), (1924, 14787), (1961, 14508), (2067, 13764), (2294, 12402), (2418, 11766), (2756, 10323), (2886, 9858), (3286, 8658), (3441, 8268), (3627, 7844), (3922, 7254), (4134, 6882), (4329, 6572), (4588, 6201), (4836, 5883), (4929, 5772)]