28485522

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 72072000

約数和(自身を除く): 43586478

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 43, 57, 78, 86, 114, 117, 129, 149, 171, 234, 247, 258, 298, 342, 387, 447, 494, 559, 741, 774, 817, 894, 1118, 1341, 1482, 1634, 1677, 1937, 2223, 2451, 2682, 2831, 3354, 3874, 4446, 4902, 5031, 5662, 5811, 6407, 7353, 8493, 10062, 10621, 11622, 12814, 14706, 16986, 17433, 19221, 21242, 25479, 31863, 34866, 36803, 38442, 50958, 57663, 63726, 73606, 83291, 95589, 110409, 115326, 121733, 166582, 191178, 220818, 243466, 249873, 331227, 365199, 499746, 662454, 730398, 749619, 1095597, 1499238, 1582529, 2191194, 3165058, 4747587, 9495174, 14242761, 28485522]

約数ペア:

[(1, 28485522), (2, 14242761), (3, 9495174), (6, 4747587), (9, 3165058), (13, 2191194), (18, 1582529), (19, 1499238), (26, 1095597), (38, 749619), (39, 730398), (43, 662454), (57, 499746), (78, 365199), (86, 331227), (114, 249873), (117, 243466), (129, 220818), (149, 191178), (171, 166582), (234, 121733), (247, 115326), (258, 110409), (298, 95589), (342, 83291), (387, 73606), (447, 63726), (494, 57663), (559, 50958), (741, 38442), (774, 36803), (817, 34866), (894, 31863), (1118, 25479), (1341, 21242), (1482, 19221), (1634, 17433), (1677, 16986), (1937, 14706), (2223, 12814), (2451, 11622), (2682, 10621), (2831, 10062), (3354, 8493), (3874, 7353), (4446, 6407), (4902, 5811), (5031, 5662)]