61742268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 179088000

約数和(自身を除く): 117345732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 491, 499, 982, 998, 1473, 1497, 1964, 1996, 2946, 2994, 3437, 3493, 4419, 4491, 5892, 5988, 6874, 6986, 8838, 8982, 10311, 10479, 13748, 13972, 17676, 17964, 20622, 20958, 30933, 31437, 41244, 41916, 61866, 62874, 123732, 125748, 245009, 490018, 735027, 980036, 1470054, 1715063, 2205081, 2940108, 3430126, 4410162, 5145189, 6860252, 8820324, 10290378, 15435567, 20580756, 30871134, 61742268]

約数ペア:

[(1, 61742268), (2, 30871134), (3, 20580756), (4, 15435567), (6, 10290378), (7, 8820324), (9, 6860252), (12, 5145189), (14, 4410162), (18, 3430126), (21, 2940108), (28, 2205081), (36, 1715063), (42, 1470054), (63, 980036), (84, 735027), (126, 490018), (252, 245009), (491, 125748), (499, 123732), (982, 62874), (998, 61866), (1473, 41916), (1497, 41244), (1964, 31437), (1996, 30933), (2946, 20958), (2994, 20622), (3437, 17964), (3493, 17676), (4419, 13972), (4491, 13748), (5892, 10479), (5988, 10311), (6874, 8982), (6986, 8838)]