31302817

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 39590376

約数和(自身を除く): 8287559

約数列:

[1, 7, 13, 49, 91, 157, 313, 637, 1099, 2041, 2191, 4069, 7693, 14287, 15337, 28483, 49141, 100009, 199381, 343987, 638833, 2407909, 4471831, 31302817]

約数ペア:

[(1, 31302817), (7, 4471831), (13, 2407909), (49, 638833), (91, 343987), (157, 199381), (313, 100009), (637, 49141), (1099, 28483), (2041, 15337), (2191, 14287), (4069, 7693)]