28740348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 92624896

約数和(自身を除く): 63884548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 182, 186, 217, 234, 252, 273, 279, 283, 364, 372, 403, 434, 468, 546, 558, 566, 651, 806, 819, 849, 868, 1092, 1116, 1132, 1209, 1302, 1612, 1638, 1698, 1953, 1981, 2418, 2547, 2604, 2821, 3276, 3396, 3627, 3679, 3906, 3962, 4836, 5094, 5642, 5943, 7254, 7358, 7812, 7924, 8463, 8773, 10188, 11037, 11284, 11886, 14508, 14716, 16926, 17546, 17829, 22074, 23772, 25389, 25753, 26319, 33111, 33852, 35092, 35658, 44148, 50778, 51506, 52638, 61411, 66222, 71316, 77259, 78957, 101556, 103012, 105276, 114049, 122822, 132444, 154518, 157914, 184233, 228098, 231777, 245644, 309036, 315828, 342147, 368466, 456196, 463554, 552699, 684294, 736932, 798343, 927108, 1026441, 1105398, 1368588, 1596686, 2052882, 2210796, 2395029, 3193372, 4105764, 4790058, 7185087, 9580116, 14370174, 28740348]

約数ペア:

[(1, 28740348), (2, 14370174), (3, 9580116), (4, 7185087), (6, 4790058), (7, 4105764), (9, 3193372), (12, 2395029), (13, 2210796), (14, 2052882), (18, 1596686), (21, 1368588), (26, 1105398), (28, 1026441), (31, 927108), (36, 798343), (39, 736932), (42, 684294), (52, 552699), (62, 463554), (63, 456196), (78, 368466), (84, 342147), (91, 315828), (93, 309036), (117, 245644), (124, 231777), (126, 228098), (156, 184233), (182, 157914), (186, 154518), (217, 132444), (234, 122822), (252, 114049), (273, 105276), (279, 103012), (283, 101556), (364, 78957), (372, 77259), (403, 71316), (434, 66222), (468, 61411), (546, 52638), (558, 51506), (566, 50778), (651, 44148), (806, 35658), (819, 35092), (849, 33852), (868, 33111), (1092, 26319), (1116, 25753), (1132, 25389), (1209, 23772), (1302, 22074), (1612, 17829), (1638, 17546), (1698, 16926), (1953, 14716), (1981, 14508), (2418, 11886), (2547, 11284), (2604, 11037), (2821, 10188), (3276, 8773), (3396, 8463), (3627, 7924), (3679, 7812), (3906, 7358), (3962, 7254), (4836, 5943), (5094, 5642)]