78810368

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 206035200

約数和(自身を除く): 127224832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 199, 208, 221, 224, 238, 256, 272, 364, 398, 416, 442, 448, 476, 544, 728, 796, 832, 884, 896, 952, 1088, 1393, 1456, 1547, 1592, 1664, 1768, 1792, 1904, 2176, 2587, 2786, 2912, 3094, 3184, 3328, 3383, 3536, 3808, 4352, 5174, 5572, 5824, 6188, 6368, 6766, 7072, 7616, 10348, 11144, 11648, 12376, 12736, 13532, 14144, 15232, 18109, 20696, 22288, 23296, 23681, 24752, 25472, 27064, 28288, 30464, 36218, 41392, 43979, 44576, 47362, 49504, 50944, 54128, 56576, 72436, 82784, 87958, 89152, 94724, 99008, 108256, 144872, 165568, 175916, 178304, 189448, 198016, 216512, 289744, 307853, 331136, 351832, 356608, 378896, 396032, 433024, 579488, 615706, 662272, 703664, 757792, 866048, 1158976, 1231412, 1407328, 1515584, 2317952, 2462824, 2814656, 3031168, 4635904, 4925648, 5629312, 6062336, 9851296, 11258624, 19702592, 39405184, 78810368]

約数ペア:

[(1, 78810368), (2, 39405184), (4, 19702592), (7, 11258624), (8, 9851296), (13, 6062336), (14, 5629312), (16, 4925648), (17, 4635904), (26, 3031168), (28, 2814656), (32, 2462824), (34, 2317952), (52, 1515584), (56, 1407328), (64, 1231412), (68, 1158976), (91, 866048), (104, 757792), (112, 703664), (119, 662272), (128, 615706), (136, 579488), (182, 433024), (199, 396032), (208, 378896), (221, 356608), (224, 351832), (238, 331136), (256, 307853), (272, 289744), (364, 216512), (398, 198016), (416, 189448), (442, 178304), (448, 175916), (476, 165568), (544, 144872), (728, 108256), (796, 99008), (832, 94724), (884, 89152), (896, 87958), (952, 82784), (1088, 72436), (1393, 56576), (1456, 54128), (1547, 50944), (1592, 49504), (1664, 47362), (1768, 44576), (1792, 43979), (1904, 41392), (2176, 36218), (2587, 30464), (2786, 28288), (2912, 27064), (3094, 25472), (3184, 24752), (3328, 23681), (3383, 23296), (3536, 22288), (3808, 20696), (4352, 18109), (5174, 15232), (5572, 14144), (5824, 13532), (6188, 12736), (6368, 12376), (6766, 11648), (7072, 11144), (7616, 10348)]