647880064

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:700

約数の個数: 128

約数和(自身を含む): 1513965600

約数和(自身を除く): 866085536

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 37, 52, 64, 68, 74, 104, 128, 136, 148, 208, 221, 272, 296, 416, 442, 481, 544, 592, 619, 629, 832, 884, 962, 1088, 1184, 1238, 1258, 1664, 1768, 1924, 2176, 2368, 2476, 2516, 3536, 3848, 4736, 4952, 5032, 7072, 7696, 8047, 8177, 9904, 10064, 10523, 14144, 15392, 16094, 16354, 19808, 20128, 21046, 22903, 28288, 30784, 32188, 32708, 39616, 40256, 42092, 45806, 61568, 64376, 65416, 79232, 80512, 84184, 91612, 128752, 130832, 136799, 168368, 183224, 257504, 261664, 273598, 297739, 336736, 366448, 389351, 515008, 523328, 547196, 595478, 673472, 732896, 778702, 1030016, 1046656, 1094392, 1190956, 1346944, 1465792, 1557404, 2188784, 2381912, 2931584, 3114808, 4377568, 4763824, 5061563, 6229616, 8755136, 9527648, 10123126, 12459232, 17510272, 19055296, 20246252, 24918464, 38110592, 40492504, 49836928, 80985008, 161970016, 323940032, 647880064]

約数ペア:

[(1, 647880064), (2, 323940032), (4, 161970016), (8, 80985008), (13, 49836928), (16, 40492504), (17, 38110592), (26, 24918464), (32, 20246252), (34, 19055296), (37, 17510272), (52, 12459232), (64, 10123126), (68, 9527648), (74, 8755136), (104, 6229616), (128, 5061563), (136, 4763824), (148, 4377568), (208, 3114808), (221, 2931584), (272, 2381912), (296, 2188784), (416, 1557404), (442, 1465792), (481, 1346944), (544, 1190956), (592, 1094392), (619, 1046656), (629, 1030016), (832, 778702), (884, 732896), (962, 673472), (1088, 595478), (1184, 547196), (1238, 523328), (1258, 515008), (1664, 389351), (1768, 366448), (1924, 336736), (2176, 297739), (2368, 273598), (2476, 261664), (2516, 257504), (3536, 183224), (3848, 168368), (4736, 136799), (4952, 130832), (5032, 128752), (7072, 91612), (7696, 84184), (8047, 80512), (8177, 79232), (9904, 65416), (10064, 64376), (10523, 61568), (14144, 45806), (15392, 42092), (16094, 40256), (16354, 39616), (19808, 32708), (20128, 32188), (21046, 30784), (22903, 28288)]