68396979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 116444160

約数和(自身を除く): 48047181

約数列:

[1, 3, 7, 19, 21, 37, 41, 57, 111, 113, 123, 133, 259, 287, 339, 399, 703, 777, 779, 791, 861, 1517, 2109, 2147, 2337, 2373, 4181, 4551, 4633, 4921, 5453, 6441, 10619, 12543, 13899, 14763, 15029, 16359, 28823, 29267, 31857, 32431, 45087, 79439, 86469, 87801, 88027, 97293, 171421, 201761, 238317, 264081, 514263, 556073, 605283, 616189, 1199947, 1668219, 1848567, 3256999, 3599841, 9770997, 22798993, 68396979]

約数ペア:

[(1, 68396979), (3, 22798993), (7, 9770997), (19, 3599841), (21, 3256999), (37, 1848567), (41, 1668219), (57, 1199947), (111, 616189), (113, 605283), (123, 556073), (133, 514263), (259, 264081), (287, 238317), (339, 201761), (399, 171421), (703, 97293), (777, 88027), (779, 87801), (791, 86469), (861, 79439), (1517, 45087), (2109, 32431), (2147, 31857), (2337, 29267), (2373, 28823), (4181, 16359), (4551, 15029), (4633, 14763), (4921, 13899), (5453, 12543), (6441, 10619)]