221569972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{8539}}^1$

素因数の和:9055

約数の個数: 24

約数和(自身を含む): 418460000

約数和(自身を除く): 196890028

約数列:

[1, 2, 4, 13, 26, 52, 499, 998, 1996, 6487, 8539, 12974, 17078, 25948, 34156, 111007, 222014, 444028, 4260961, 8521922, 17043844, 55392493, 110784986, 221569972]

約数ペア:

[(1, 221569972), (2, 110784986), (4, 55392493), (13, 17043844), (26, 8521922), (52, 4260961), (499, 444028), (998, 222014), (1996, 111007), (6487, 34156), (8539, 25948), (12974, 17078)]