28218996

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 79968000

約数和(自身を除く): 51749004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 101, 108, 117, 156, 199, 202, 234, 303, 351, 398, 404, 468, 597, 606, 702, 796, 909, 1194, 1212, 1313, 1404, 1791, 1818, 2388, 2587, 2626, 2727, 3582, 3636, 3939, 5174, 5252, 5373, 5454, 7164, 7761, 7878, 10348, 10746, 10908, 11817, 15522, 15756, 20099, 21492, 23283, 23634, 31044, 35451, 40198, 46566, 47268, 60297, 69849, 70902, 80396, 93132, 120594, 139698, 141804, 180891, 241188, 261287, 279396, 361782, 522574, 542673, 723564, 783861, 1045148, 1085346, 1567722, 2170692, 2351583, 3135444, 4703166, 7054749, 9406332, 14109498, 28218996]

約数ペア:

[(1, 28218996), (2, 14109498), (3, 9406332), (4, 7054749), (6, 4703166), (9, 3135444), (12, 2351583), (13, 2170692), (18, 1567722), (26, 1085346), (27, 1045148), (36, 783861), (39, 723564), (52, 542673), (54, 522574), (78, 361782), (101, 279396), (108, 261287), (117, 241188), (156, 180891), (199, 141804), (202, 139698), (234, 120594), (303, 93132), (351, 80396), (398, 70902), (404, 69849), (468, 60297), (597, 47268), (606, 46566), (702, 40198), (796, 35451), (909, 31044), (1194, 23634), (1212, 23283), (1313, 21492), (1404, 20099), (1791, 15756), (1818, 15522), (2388, 11817), (2587, 10908), (2626, 10746), (2727, 10348), (3582, 7878), (3636, 7761), (3939, 7164), (5174, 5454), (5252, 5373)]