28257864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 76800000

約数和(自身を除く): 48542136

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1767, 1999, 2356, 3534, 3998, 4712, 5997, 7068, 7996, 11994, 14136, 15992, 23988, 37981, 47976, 61969, 75962, 113943, 123938, 151924, 185907, 227886, 247876, 303848, 371814, 455772, 495752, 743628, 911544, 1177411, 1487256, 2354822, 3532233, 4709644, 7064466, 9419288, 14128932, 28257864]

約数ペア:

[(1, 28257864), (2, 14128932), (3, 9419288), (4, 7064466), (6, 4709644), (8, 3532233), (12, 2354822), (19, 1487256), (24, 1177411), (31, 911544), (38, 743628), (57, 495752), (62, 455772), (76, 371814), (93, 303848), (114, 247876), (124, 227886), (152, 185907), (186, 151924), (228, 123938), (248, 113943), (372, 75962), (456, 61969), (589, 47976), (744, 37981), (1178, 23988), (1767, 15992), (1999, 14136), (2356, 11994), (3534, 7996), (3998, 7068), (4712, 5997)]