28755972

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 120

約数和(自身を含む): 88901120

約数和(自身を除く): 60145148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 81, 84, 93, 108, 124, 126, 162, 186, 189, 217, 252, 279, 324, 372, 378, 409, 434, 558, 567, 651, 756, 818, 837, 868, 1116, 1134, 1227, 1302, 1636, 1674, 1953, 2268, 2454, 2511, 2604, 2863, 3348, 3681, 3906, 4908, 5022, 5726, 5859, 7362, 7812, 8589, 10044, 11043, 11452, 11718, 12679, 14724, 17178, 17577, 22086, 23436, 25358, 25767, 33129, 34356, 35154, 38037, 44172, 50716, 51534, 66258, 70308, 76074, 77301, 88753, 103068, 114111, 132516, 152148, 154602, 177506, 228222, 231903, 266259, 309204, 342333, 355012, 456444, 463806, 532518, 684666, 798777, 927612, 1026999, 1065036, 1369332, 1597554, 2053998, 2396331, 3195108, 4107996, 4792662, 7188993, 9585324, 14377986, 28755972]

約数ペア:

[(1, 28755972), (2, 14377986), (3, 9585324), (4, 7188993), (6, 4792662), (7, 4107996), (9, 3195108), (12, 2396331), (14, 2053998), (18, 1597554), (21, 1369332), (27, 1065036), (28, 1026999), (31, 927612), (36, 798777), (42, 684666), (54, 532518), (62, 463806), (63, 456444), (81, 355012), (84, 342333), (93, 309204), (108, 266259), (124, 231903), (126, 228222), (162, 177506), (186, 154602), (189, 152148), (217, 132516), (252, 114111), (279, 103068), (324, 88753), (372, 77301), (378, 76074), (409, 70308), (434, 66258), (558, 51534), (567, 50716), (651, 44172), (756, 38037), (818, 35154), (837, 34356), (868, 33129), (1116, 25767), (1134, 25358), (1227, 23436), (1302, 22086), (1636, 17577), (1674, 17178), (1953, 14724), (2268, 12679), (2454, 11718), (2511, 11452), (2604, 11043), (2863, 10044), (3348, 8589), (3681, 7812), (3906, 7362), (4908, 5859), (5022, 5726)]