257103792

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 180

約数和(自身を含む): 817158264

約数和(自身を除く): 560054472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 193, 198, 232, 261, 264, 319, 348, 386, 396, 464, 522, 528, 579, 638, 696, 772, 792, 841, 957, 1044, 1158, 1276, 1392, 1544, 1584, 1682, 1737, 1914, 2088, 2123, 2316, 2523, 2552, 2871, 3088, 3364, 3474, 3828, 4176, 4246, 4632, 5046, 5104, 5597, 5742, 6369, 6728, 6948, 7569, 7656, 8492, 9251, 9264, 10092, 11194, 11484, 12738, 13456, 13896, 15138, 15312, 16791, 16984, 18502, 19107, 20184, 22388, 22968, 25476, 27753, 27792, 30276, 33582, 33968, 37004, 38214, 40368, 44776, 45936, 50373, 50952, 55506, 60552, 61567, 67164, 74008, 76428, 83259, 89552, 100746, 101904, 111012, 121104, 123134, 134328, 148016, 152856, 162313, 166518, 184701, 201492, 222024, 246268, 268656, 305712, 324626, 333036, 369402, 402984, 444048, 486939, 492536, 554103, 649252, 666072, 738804, 805968, 973878, 985072, 1108206, 1298504, 1332144, 1460817, 1477608, 1785443, 1947756, 2216412, 2597008, 2921634, 2955216, 3570886, 3895512, 4432824, 5356329, 5843268, 7141772, 7791024, 8865648, 10712658, 11686536, 14283544, 16068987, 21425316, 23373072, 28567088, 32137974, 42850632, 64275948, 85701264, 128551896, 257103792]

約数ペア:

[(1, 257103792), (2, 128551896), (3, 85701264), (4, 64275948), (6, 42850632), (8, 32137974), (9, 28567088), (11, 23373072), (12, 21425316), (16, 16068987), (18, 14283544), (22, 11686536), (24, 10712658), (29, 8865648), (33, 7791024), (36, 7141772), (44, 5843268), (48, 5356329), (58, 4432824), (66, 3895512), (72, 3570886), (87, 2955216), (88, 2921634), (99, 2597008), (116, 2216412), (132, 1947756), (144, 1785443), (174, 1477608), (176, 1460817), (193, 1332144), (198, 1298504), (232, 1108206), (261, 985072), (264, 973878), (319, 805968), (348, 738804), (386, 666072), (396, 649252), (464, 554103), (522, 492536), (528, 486939), (579, 444048), (638, 402984), (696, 369402), (772, 333036), (792, 324626), (841, 305712), (957, 268656), (1044, 246268), (1158, 222024), (1276, 201492), (1392, 184701), (1544, 166518), (1584, 162313), (1682, 152856), (1737, 148016), (1914, 134328), (2088, 123134), (2123, 121104), (2316, 111012), (2523, 101904), (2552, 100746), (2871, 89552), (3088, 83259), (3364, 76428), (3474, 74008), (3828, 67164), (4176, 61567), (4246, 60552), (4632, 55506), (5046, 50952), (5104, 50373), (5597, 45936), (5742, 44776), (6369, 40368), (6728, 38214), (6948, 37004), (7569, 33968), (7656, 33582), (8492, 30276), (9251, 27792), (9264, 27753), (10092, 25476), (11194, 22968), (11484, 22388), (12738, 20184), (13456, 19107), (13896, 18502), (15138, 16984), (15312, 16791)]