28220833

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 32235840

約数和(自身を除く): 4015007

約数列:

[1, 17, 19, 41, 323, 697, 779, 2131, 13243, 36227, 40489, 87371, 688313, 1485307, 1660049, 28220833]

約数ペア:

[(1, 28220833), (17, 1660049), (19, 1485307), (41, 688313), (323, 87371), (697, 40489), (779, 36227), (2131, 13243)]