28231112

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 69393600

約数和(自身を除く): 41162488

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 157, 169, 182, 247, 266, 314, 338, 364, 494, 532, 628, 676, 728, 988, 1064, 1099, 1183, 1256, 1352, 1729, 1976, 2041, 2198, 2366, 2983, 3211, 3458, 4082, 4396, 4732, 5966, 6422, 6916, 8164, 8792, 9464, 11932, 12844, 13832, 14287, 16328, 20881, 22477, 23864, 25688, 26533, 28574, 38779, 41762, 44954, 53066, 57148, 77558, 83524, 89908, 106132, 114296, 155116, 167048, 179816, 185731, 212264, 271453, 310232, 371462, 504127, 542906, 742924, 1008254, 1085812, 1485848, 2016508, 2171624, 3528889, 4033016, 7057778, 14115556, 28231112]

約数ペア:

[(1, 28231112), (2, 14115556), (4, 7057778), (7, 4033016), (8, 3528889), (13, 2171624), (14, 2016508), (19, 1485848), (26, 1085812), (28, 1008254), (38, 742924), (52, 542906), (56, 504127), (76, 371462), (91, 310232), (104, 271453), (133, 212264), (152, 185731), (157, 179816), (169, 167048), (182, 155116), (247, 114296), (266, 106132), (314, 89908), (338, 83524), (364, 77558), (494, 57148), (532, 53066), (628, 44954), (676, 41762), (728, 38779), (988, 28574), (1064, 26533), (1099, 25688), (1183, 23864), (1256, 22477), (1352, 20881), (1729, 16328), (1976, 14287), (2041, 13832), (2198, 12844), (2366, 11932), (2983, 9464), (3211, 8792), (3458, 8164), (4082, 6916), (4396, 6422), (4732, 5966)]