28250872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 65847600

約数和(自身を除く): 37596728

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 29, 34, 38, 52, 58, 68, 76, 104, 116, 136, 152, 221, 232, 247, 323, 377, 442, 493, 494, 551, 646, 754, 841, 884, 986, 988, 1102, 1292, 1508, 1682, 1768, 1972, 1976, 2204, 2584, 3016, 3364, 3944, 4199, 4408, 6409, 6728, 7163, 8398, 9367, 10933, 12818, 14297, 14326, 15979, 16796, 18734, 21866, 25636, 28594, 28652, 31958, 33592, 37468, 43732, 51272, 57188, 57304, 63916, 74936, 87464, 114376, 121771, 127832, 185861, 207727, 243542, 271643, 371722, 415454, 487084, 543286, 743444, 830908, 974168, 1086572, 1486888, 1661816, 2173144, 3531359, 7062718, 14125436, 28250872]

約数ペア:

[(1, 28250872), (2, 14125436), (4, 7062718), (8, 3531359), (13, 2173144), (17, 1661816), (19, 1486888), (26, 1086572), (29, 974168), (34, 830908), (38, 743444), (52, 543286), (58, 487084), (68, 415454), (76, 371722), (104, 271643), (116, 243542), (136, 207727), (152, 185861), (221, 127832), (232, 121771), (247, 114376), (323, 87464), (377, 74936), (442, 63916), (493, 57304), (494, 57188), (551, 51272), (646, 43732), (754, 37468), (841, 33592), (884, 31958), (986, 28652), (988, 28594), (1102, 25636), (1292, 21866), (1508, 18734), (1682, 16796), (1768, 15979), (1972, 14326), (1976, 14297), (2204, 12818), (2584, 10933), (3016, 9367), (3364, 8398), (3944, 7163), (4199, 6728), (4408, 6409)]