261465568

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 656377344

約数和(自身を除く): 394911776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 101, 104, 112, 127, 182, 196, 202, 208, 224, 254, 364, 392, 404, 416, 508, 637, 707, 728, 784, 808, 889, 1016, 1274, 1313, 1414, 1456, 1568, 1616, 1651, 1778, 2032, 2548, 2626, 2828, 2912, 3232, 3302, 3556, 4064, 4949, 5096, 5252, 5656, 6223, 6604, 7112, 9191, 9898, 10192, 10504, 11312, 11557, 12446, 12827, 13208, 14224, 18382, 19796, 20384, 21008, 22624, 23114, 24892, 25654, 26416, 28448, 36764, 39592, 42016, 46228, 49784, 51308, 52832, 64337, 73528, 79184, 80899, 89789, 92456, 99568, 102616, 128674, 147056, 158368, 161798, 166751, 179578, 184912, 199136, 205232, 257348, 294112, 323596, 333502, 359156, 369824, 410464, 514696, 628523, 647192, 667004, 718312, 1029392, 1167257, 1257046, 1294384, 1334008, 1436624, 2058784, 2334514, 2514092, 2588768, 2668016, 2873248, 4669028, 5028184, 5336032, 8170799, 9338056, 10056368, 16341598, 18676112, 20112736, 32683196, 37352224, 65366392, 130732784, 261465568]

約数ペア:

[(1, 261465568), (2, 130732784), (4, 65366392), (7, 37352224), (8, 32683196), (13, 20112736), (14, 18676112), (16, 16341598), (26, 10056368), (28, 9338056), (32, 8170799), (49, 5336032), (52, 5028184), (56, 4669028), (91, 2873248), (98, 2668016), (101, 2588768), (104, 2514092), (112, 2334514), (127, 2058784), (182, 1436624), (196, 1334008), (202, 1294384), (208, 1257046), (224, 1167257), (254, 1029392), (364, 718312), (392, 667004), (404, 647192), (416, 628523), (508, 514696), (637, 410464), (707, 369824), (728, 359156), (784, 333502), (808, 323596), (889, 294112), (1016, 257348), (1274, 205232), (1313, 199136), (1414, 184912), (1456, 179578), (1568, 166751), (1616, 161798), (1651, 158368), (1778, 147056), (2032, 128674), (2548, 102616), (2626, 99568), (2828, 92456), (2912, 89789), (3232, 80899), (3302, 79184), (3556, 73528), (4064, 64337), (4949, 52832), (5096, 51308), (5252, 49784), (5656, 46228), (6223, 42016), (6604, 39592), (7112, 36764), (9191, 28448), (9898, 26416), (10192, 25654), (10504, 24892), (11312, 23114), (11557, 22624), (12446, 21008), (12827, 20384), (13208, 19796), (14224, 18382)]