28293804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 91203840

約数和(自身を除く): 62910036

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 59, 63, 66, 77, 84, 99, 118, 126, 132, 154, 173, 177, 198, 231, 236, 252, 308, 346, 354, 396, 413, 462, 519, 531, 649, 692, 693, 708, 826, 924, 1038, 1062, 1211, 1239, 1298, 1386, 1557, 1652, 1903, 1947, 2076, 2124, 2422, 2478, 2596, 2772, 3114, 3633, 3717, 3806, 3894, 4543, 4844, 4956, 5709, 5841, 6228, 7266, 7434, 7612, 7788, 9086, 10207, 10899, 11418, 11682, 13321, 13629, 14532, 14868, 17127, 18172, 20414, 21798, 22836, 23364, 26642, 27258, 30621, 34254, 39963, 40828, 40887, 43596, 53284, 54516, 61242, 68508, 71449, 79926, 81774, 91863, 112277, 119889, 122484, 142898, 159852, 163548, 183726, 214347, 224554, 239778, 285796, 336831, 367452, 428694, 449108, 479556, 643041, 673662, 785939, 857388, 1010493, 1286082, 1347324, 1571878, 2020986, 2357817, 2572164, 3143756, 4041972, 4715634, 7073451, 9431268, 14146902, 28293804]

約数ペア:

[(1, 28293804), (2, 14146902), (3, 9431268), (4, 7073451), (6, 4715634), (7, 4041972), (9, 3143756), (11, 2572164), (12, 2357817), (14, 2020986), (18, 1571878), (21, 1347324), (22, 1286082), (28, 1010493), (33, 857388), (36, 785939), (42, 673662), (44, 643041), (59, 479556), (63, 449108), (66, 428694), (77, 367452), (84, 336831), (99, 285796), (118, 239778), (126, 224554), (132, 214347), (154, 183726), (173, 163548), (177, 159852), (198, 142898), (231, 122484), (236, 119889), (252, 112277), (308, 91863), (346, 81774), (354, 79926), (396, 71449), (413, 68508), (462, 61242), (519, 54516), (531, 53284), (649, 43596), (692, 40887), (693, 40828), (708, 39963), (826, 34254), (924, 30621), (1038, 27258), (1062, 26642), (1211, 23364), (1239, 22836), (1298, 21798), (1386, 20414), (1557, 18172), (1652, 17127), (1903, 14868), (1947, 14532), (2076, 13629), (2124, 13321), (2422, 11682), (2478, 11418), (2596, 10899), (2772, 10207), (3114, 9086), (3633, 7788), (3717, 7612), (3806, 7434), (3894, 7266), (4543, 6228), (4844, 5841), (4956, 5709)]