28375915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 35076096

約数和(自身を除く): 6700181

約数列:

[1, 5, 43, 191, 215, 691, 955, 3455, 8213, 29713, 41065, 131981, 148565, 659905, 5675183, 28375915]

約数ペア:

[(1, 28375915), (5, 5675183), (43, 659905), (191, 148565), (215, 131981), (691, 41065), (955, 29713), (3455, 8213)]