257194784184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{444869}}^1$

素因数の和:445017

約数の個数: 128

約数和(自身を含む): 739907784000

約数和(自身を除く): 482712999816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 109, 136, 156, 204, 218, 221, 312, 327, 408, 436, 442, 654, 663, 872, 884, 1308, 1326, 1417, 1768, 1853, 2616, 2652, 2834, 3706, 4251, 5304, 5559, 5668, 7412, 8502, 11118, 11336, 14824, 17004, 22236, 24089, 34008, 44472, 48178, 72267, 96356, 144534, 192712, 289068, 444869, 578136, 889738, 1334607, 1779476, 2669214, 3558952, 5338428, 5783297, 7562773, 10676856, 11566594, 15125546, 17349891, 22688319, 23133188, 30251092, 34699782, 45376638, 46266376, 48490721, 60502184, 69399564, 90753276, 96981442, 98316049, 138799128, 145472163, 181506552, 193962884, 196632098, 290944326, 294948147, 387925768, 393264196, 581888652, 589896294, 630379373, 786528392, 824342257, 1163777304, 1179792588, 1260758746, 1648684514, 1891138119, 2359585176, 2473026771, 2521517492, 3297369028, 3782276238, 4946053542, 5043034984, 6594738056, 7564552476, 9892107084, 10716449341, 15129104952, 19784214168, 21432898682, 32149348023, 42865797364, 64298696046, 85731594728, 128597392092, 257194784184]

約数ペア:

[(1, 257194784184), (2, 128597392092), (3, 85731594728), (4, 64298696046), (6, 42865797364), (8, 32149348023), (12, 21432898682), (13, 19784214168), (17, 15129104952), (24, 10716449341), (26, 9892107084), (34, 7564552476), (39, 6594738056), (51, 5043034984), (52, 4946053542), (68, 3782276238), (78, 3297369028), (102, 2521517492), (104, 2473026771), (109, 2359585176), (136, 1891138119), (156, 1648684514), (204, 1260758746), (218, 1179792588), (221, 1163777304), (312, 824342257), (327, 786528392), (408, 630379373), (436, 589896294), (442, 581888652), (654, 393264196), (663, 387925768), (872, 294948147), (884, 290944326), (1308, 196632098), (1326, 193962884), (1417, 181506552), (1768, 145472163), (1853, 138799128), (2616, 98316049), (2652, 96981442), (2834, 90753276), (3706, 69399564), (4251, 60502184), (5304, 48490721), (5559, 46266376), (5668, 45376638), (7412, 34699782), (8502, 30251092), (11118, 23133188), (11336, 22688319), (14824, 17349891), (17004, 15125546), (22236, 11566594), (24089, 10676856), (34008, 7562773), (44472, 5783297), (48178, 5338428), (72267, 3558952), (96356, 2669214), (144534, 1779476), (192712, 1334607), (289068, 889738), (444869, 578136)]