9987984

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 60

約数和(自身を含む): 28210000

約数和(自身を除く): 18222016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 499, 556, 834, 998, 1112, 1251, 1497, 1668, 1996, 2224, 2502, 2994, 3336, 3992, 4491, 5004, 5988, 6672, 7984, 8982, 10008, 11976, 17964, 20016, 23952, 35928, 69361, 71856, 138722, 208083, 277444, 416166, 554888, 624249, 832332, 1109776, 1248498, 1664664, 2496996, 3329328, 4993992, 9987984]

約数ペア:

[(1, 9987984), (2, 4993992), (3, 3329328), (4, 2496996), (6, 1664664), (8, 1248498), (9, 1109776), (12, 832332), (16, 624249), (18, 554888), (24, 416166), (36, 277444), (48, 208083), (72, 138722), (139, 71856), (144, 69361), (278, 35928), (417, 23952), (499, 20016), (556, 17964), (834, 11976), (998, 10008), (1112, 8982), (1251, 7984), (1497, 6672), (1668, 5988), (1996, 5004), (2224, 4491), (2502, 3992), (2994, 3336)]