17243215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 24178176

約数和(自身を除く): 6934961

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 317, 473, 989, 1265, 1585, 2365, 3487, 4945, 7291, 10879, 13631, 17435, 36455, 54395, 68155, 80201, 149941, 313513, 401005, 749705, 1567565, 3448643, 17243215]

約数ペア:

[(1, 17243215), (5, 3448643), (11, 1567565), (23, 749705), (43, 401005), (55, 313513), (115, 149941), (215, 80201), (253, 68155), (317, 54395), (473, 36455), (989, 17435), (1265, 13631), (1585, 10879), (2365, 7291), (3487, 4945)]