28439334

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 82757376

約数和(自身を除く): 54318042

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 71, 77, 99, 102, 119, 126, 142, 153, 154, 187, 198, 213, 231, 238, 289, 306, 357, 374, 426, 462, 497, 561, 578, 639, 693, 714, 781, 867, 994, 1071, 1122, 1207, 1278, 1309, 1386, 1491, 1562, 1683, 1734, 2023, 2142, 2343, 2414, 2601, 2618, 2982, 3179, 3366, 3621, 3927, 4046, 4473, 4686, 5202, 5467, 6069, 6358, 7029, 7242, 7854, 8449, 8946, 9537, 10863, 10934, 11781, 12138, 13277, 14058, 16401, 16898, 18207, 19074, 20519, 21726, 22253, 23562, 25347, 26554, 28611, 32802, 36414, 39831, 41038, 44506, 49203, 50694, 57222, 61557, 66759, 76041, 79662, 92939, 98406, 119493, 123114, 133518, 143633, 152082, 184671, 185878, 200277, 225709, 238986, 278817, 287266, 369342, 400554, 430899, 451418, 557634, 677127, 836451, 861798, 1292697, 1354254, 1579963, 1672902, 2031381, 2585394, 3159926, 4062762, 4739889, 9479778, 14219667, 28439334]

約数ペア:

[(1, 28439334), (2, 14219667), (3, 9479778), (6, 4739889), (7, 4062762), (9, 3159926), (11, 2585394), (14, 2031381), (17, 1672902), (18, 1579963), (21, 1354254), (22, 1292697), (33, 861798), (34, 836451), (42, 677127), (51, 557634), (63, 451418), (66, 430899), (71, 400554), (77, 369342), (99, 287266), (102, 278817), (119, 238986), (126, 225709), (142, 200277), (153, 185878), (154, 184671), (187, 152082), (198, 143633), (213, 133518), (231, 123114), (238, 119493), (289, 98406), (306, 92939), (357, 79662), (374, 76041), (426, 66759), (462, 61557), (497, 57222), (561, 50694), (578, 49203), (639, 44506), (693, 41038), (714, 39831), (781, 36414), (867, 32802), (994, 28611), (1071, 26554), (1122, 25347), (1207, 23562), (1278, 22253), (1309, 21726), (1386, 20519), (1491, 19074), (1562, 18207), (1683, 16898), (1734, 16401), (2023, 14058), (2142, 13277), (2343, 12138), (2414, 11781), (2601, 10934), (2618, 10863), (2982, 9537), (3179, 8946), (3366, 8449), (3621, 7854), (3927, 7242), (4046, 7029), (4473, 6358), (4686, 6069), (5202, 5467)]