28676395

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 10675925

約数列:

[1, 5, 11, 31, 55, 121, 139, 155, 341, 605, 695, 1331, 1529, 1705, 3751, 4309, 6655, 7645, 16819, 18755, 21545, 41261, 47399, 84095, 185009, 206305, 236995, 521389, 925045, 2606945, 5735279, 28676395]

約数ペア:

[(1, 28676395), (5, 5735279), (11, 2606945), (31, 925045), (55, 521389), (121, 236995), (139, 206305), (155, 185009), (341, 84095), (605, 47399), (695, 41261), (1331, 21545), (1529, 18755), (1705, 16819), (3751, 7645), (4309, 6655)]