28185245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 11005795

約数列:

[1, 5, 11, 29, 41, 55, 145, 205, 319, 431, 451, 1189, 1595, 2155, 2255, 4741, 5945, 12499, 13079, 17671, 23705, 62495, 65395, 88355, 137489, 194381, 512459, 687445, 971905, 2562295, 5637049, 28185245]

約数ペア:

[(1, 28185245), (5, 5637049), (11, 2562295), (29, 971905), (41, 687445), (55, 512459), (145, 194381), (205, 137489), (319, 88355), (431, 65395), (451, 62495), (1189, 23705), (1595, 17671), (2155, 13079), (2255, 12499), (4741, 5945)]