257012952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 761702400

約数和(自身を除く): 504689448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 173, 222, 239, 259, 296, 346, 444, 478, 518, 519, 692, 717, 777, 888, 956, 1036, 1038, 1211, 1384, 1434, 1554, 1673, 1912, 2072, 2076, 2422, 2868, 3108, 3346, 3633, 4152, 4844, 5019, 5736, 6216, 6401, 6692, 7266, 8843, 9688, 10038, 12802, 13384, 14532, 17686, 19203, 20076, 25604, 26529, 29064, 35372, 38406, 40152, 41347, 44807, 51208, 53058, 61901, 70744, 76812, 82694, 89614, 106116, 123802, 124041, 134421, 153624, 165388, 179228, 185703, 212232, 247604, 248082, 268842, 289429, 330776, 358456, 371406, 495208, 496164, 537684, 578858, 742812, 868287, 992328, 1075368, 1157716, 1485624, 1529839, 1736574, 2315432, 3059678, 3473148, 4589517, 6119356, 6946296, 9179034, 10708873, 12238712, 18358068, 21417746, 32126619, 36716136, 42835492, 64253238, 85670984, 128506476, 257012952]

約数ペア:

[(1, 257012952), (2, 128506476), (3, 85670984), (4, 64253238), (6, 42835492), (7, 36716136), (8, 32126619), (12, 21417746), (14, 18358068), (21, 12238712), (24, 10708873), (28, 9179034), (37, 6946296), (42, 6119356), (56, 4589517), (74, 3473148), (84, 3059678), (111, 2315432), (148, 1736574), (168, 1529839), (173, 1485624), (222, 1157716), (239, 1075368), (259, 992328), (296, 868287), (346, 742812), (444, 578858), (478, 537684), (518, 496164), (519, 495208), (692, 371406), (717, 358456), (777, 330776), (888, 289429), (956, 268842), (1036, 248082), (1038, 247604), (1211, 212232), (1384, 185703), (1434, 179228), (1554, 165388), (1673, 153624), (1912, 134421), (2072, 124041), (2076, 123802), (2422, 106116), (2868, 89614), (3108, 82694), (3346, 76812), (3633, 70744), (4152, 61901), (4844, 53058), (5019, 51208), (5736, 44807), (6216, 41347), (6401, 40152), (6692, 38406), (7266, 35372), (8843, 29064), (9688, 26529), (10038, 25604), (12802, 20076), (13384, 19203), (14532, 17686)]