128281664

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 112

約数和(自身を含む): 305775360

約数和(自身を除く): 177493696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 71, 74, 109, 112, 142, 148, 218, 224, 259, 284, 296, 436, 448, 497, 518, 568, 592, 763, 872, 994, 1036, 1136, 1184, 1526, 1744, 1988, 2072, 2272, 2368, 2627, 3052, 3488, 3976, 4033, 4144, 4544, 5254, 6104, 6976, 7739, 7952, 8066, 8288, 10508, 12208, 15478, 15904, 16132, 16576, 18389, 21016, 24416, 28231, 30956, 31808, 32264, 36778, 42032, 48832, 54173, 56462, 61912, 64528, 73556, 84064, 108346, 112924, 123824, 129056, 147112, 168128, 216692, 225848, 247648, 258112, 286343, 294224, 433384, 451696, 495296, 572686, 588448, 866768, 903392, 1145372, 1176896, 1733536, 1806784, 2004401, 2290744, 3467072, 4008802, 4581488, 8017604, 9162976, 16035208, 18325952, 32070416, 64140832, 128281664]

約数ペア:

[(1, 128281664), (2, 64140832), (4, 32070416), (7, 18325952), (8, 16035208), (14, 9162976), (16, 8017604), (28, 4581488), (32, 4008802), (37, 3467072), (56, 2290744), (64, 2004401), (71, 1806784), (74, 1733536), (109, 1176896), (112, 1145372), (142, 903392), (148, 866768), (218, 588448), (224, 572686), (259, 495296), (284, 451696), (296, 433384), (436, 294224), (448, 286343), (497, 258112), (518, 247648), (568, 225848), (592, 216692), (763, 168128), (872, 147112), (994, 129056), (1036, 123824), (1136, 112924), (1184, 108346), (1526, 84064), (1744, 73556), (1988, 64528), (2072, 61912), (2272, 56462), (2368, 54173), (2627, 48832), (3052, 42032), (3488, 36778), (3976, 32264), (4033, 31808), (4144, 30956), (4544, 28231), (5254, 24416), (6104, 21016), (6976, 18389), (7739, 16576), (7952, 16132), (8066, 15904), (8288, 15478), (10508, 12208)]