28751436

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1811}}^1$

素因数の和:1841

約数の個数: 90

約数和(自身を含む): 87481548

約数和(自身を除く): 58730112

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 1811, 2268, 2646, 3622, 3969, 5292, 5433, 7244, 7938, 10866, 12677, 15876, 16299, 21732, 25354, 32598, 38031, 48897, 50708, 65196, 76062, 88739, 97794, 114093, 146691, 152124, 177478, 195588, 228186, 266217, 293382, 342279, 354956, 456372, 532434, 586764, 684558, 798651, 1026837, 1064868, 1369116, 1597302, 2053674, 2395953, 3194604, 4107348, 4791906, 7187859, 9583812, 14375718, 28751436]

約数ペア:

[(1, 28751436), (2, 14375718), (3, 9583812), (4, 7187859), (6, 4791906), (7, 4107348), (9, 3194604), (12, 2395953), (14, 2053674), (18, 1597302), (21, 1369116), (27, 1064868), (28, 1026837), (36, 798651), (42, 684558), (49, 586764), (54, 532434), (63, 456372), (81, 354956), (84, 342279), (98, 293382), (108, 266217), (126, 228186), (147, 195588), (162, 177478), (189, 152124), (196, 146691), (252, 114093), (294, 97794), (324, 88739), (378, 76062), (441, 65196), (567, 50708), (588, 48897), (756, 38031), (882, 32598), (1134, 25354), (1323, 21732), (1764, 16299), (1811, 15876), (2268, 12677), (2646, 10866), (3622, 7938), (3969, 7244), (5292, 5433)]