13159531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 4350869

約数列:

[1, 7, 11, 31, 37, 77, 149, 217, 259, 341, 407, 1043, 1147, 1639, 2387, 2849, 4619, 5513, 8029, 11473, 12617, 32333, 38591, 50809, 60643, 88319, 170903, 355663, 424501, 1196321, 1879933, 13159531]

約数ペア:

[(1, 13159531), (7, 1879933), (11, 1196321), (31, 424501), (37, 355663), (77, 170903), (149, 88319), (217, 60643), (259, 50809), (341, 38591), (407, 32333), (1043, 12617), (1147, 11473), (1639, 8029), (2387, 5513), (2849, 4619)]