28365156

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1579}}^1$

素因数の和:2088

約数の個数: 36

約数和(自身を含む): 71890000

約数和(自身を除く): 43524844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1497, 1579, 1996, 2994, 3158, 4491, 4737, 5988, 6316, 8982, 9474, 14211, 17964, 18948, 28422, 56844, 787921, 1575842, 2363763, 3151684, 4727526, 7091289, 9455052, 14182578, 28365156]

約数ペア:

[(1, 28365156), (2, 14182578), (3, 9455052), (4, 7091289), (6, 4727526), (9, 3151684), (12, 2363763), (18, 1575842), (36, 787921), (499, 56844), (998, 28422), (1497, 18948), (1579, 17964), (1996, 14211), (2994, 9474), (3158, 8982), (4491, 6316), (4737, 5988)]