28758834

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 69914880

約数和(自身を除く): 41156046

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 577, 639, 702, 923, 1154, 1278, 1731, 1846, 1917, 2769, 3462, 3834, 5193, 5538, 7501, 8307, 10386, 15002, 15579, 16614, 22503, 24921, 31158, 40967, 45006, 49842, 67509, 81934, 122901, 135018, 202527, 245802, 368703, 405054, 532571, 737406, 1065142, 1106109, 1597713, 2212218, 3195426, 4793139, 9586278, 14379417, 28758834]

約数ペア:

[(1, 28758834), (2, 14379417), (3, 9586278), (6, 4793139), (9, 3195426), (13, 2212218), (18, 1597713), (26, 1106109), (27, 1065142), (39, 737406), (54, 532571), (71, 405054), (78, 368703), (117, 245802), (142, 202527), (213, 135018), (234, 122901), (351, 81934), (426, 67509), (577, 49842), (639, 45006), (702, 40967), (923, 31158), (1154, 24921), (1278, 22503), (1731, 16614), (1846, 15579), (1917, 15002), (2769, 10386), (3462, 8307), (3834, 7501), (5193, 5538)]