128399988

素因数分解:

$2^2\times 3^1\times {\mathrm{2143}}^1\times {\mathrm{4993}}^1$

素因数の和:7143

約数の個数: 24

約数和(自身を含む): 299799808

約数和(自身を除く): 171399820

約数列:

[1, 2, 3, 4, 6, 12, 2143, 4286, 4993, 6429, 8572, 9986, 12858, 14979, 19972, 25716, 29958, 59916, 10699999, 21399998, 32099997, 42799996, 64199994, 128399988]

約数ペア:

[(1, 128399988), (2, 64199994), (3, 42799996), (4, 32099997), (6, 21399998), (12, 10699999), (2143, 59916), (4286, 29958), (4993, 25716), (6429, 19972), (8572, 14979), (9986, 12858)]