28392278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1993}}^1$

素因数の和:2431

約数の個数: 16

約数和(自身を含む): 45223920

約数和(自身を除く): 16831642

約数列:

[1, 2, 17, 34, 419, 838, 1993, 3986, 7123, 14246, 33881, 67762, 835067, 1670134, 14196139, 28392278]

約数ペア:

[(1, 28392278), (2, 14196139), (17, 1670134), (34, 835067), (419, 67762), (838, 33881), (1993, 14246), (3986, 7123)]