8987988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 22400000

約数和(自身を除く): 13412012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 114, 158, 228, 237, 316, 474, 499, 948, 998, 1497, 1501, 1996, 2994, 3002, 4503, 5988, 6004, 9006, 9481, 18012, 18962, 28443, 37924, 39421, 56886, 78842, 113772, 118263, 157684, 236526, 473052, 748999, 1497998, 2246997, 2995996, 4493994, 8987988]

約数ペア:

[(1, 8987988), (2, 4493994), (3, 2995996), (4, 2246997), (6, 1497998), (12, 748999), (19, 473052), (38, 236526), (57, 157684), (76, 118263), (79, 113772), (114, 78842), (158, 56886), (228, 39421), (237, 37924), (316, 28443), (474, 18962), (499, 18012), (948, 9481), (998, 9006), (1497, 6004), (1501, 5988), (1996, 4503), (2994, 3002)]