331348208

素因数分解:

$2^4\times {\mathrm{1993}}^1\times {\mathrm{10391}}^1$

素因数の和:12392

約数の個数: 20

約数和(自身を含む): 642371088

約数和(自身を除く): 311022880

約数列:

[1, 2, 4, 8, 16, 1993, 3986, 7972, 10391, 15944, 20782, 31888, 41564, 83128, 166256, 20709263, 41418526, 82837052, 165674104, 331348208]

約数ペア:

[(1, 331348208), (2, 165674104), (4, 82837052), (8, 41418526), (16, 20709263), (1993, 166256), (3986, 83128), (7972, 41564), (10391, 31888), (15944, 20782)]