12639599

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 15562368

約数和(自身を除く): 2922769

約数列:

[1, 7, 31, 49, 53, 157, 217, 371, 1099, 1519, 1643, 2597, 4867, 7693, 8321, 11501, 34069, 58247, 80507, 238483, 257951, 407729, 1805657, 12639599]

約数ペア:

[(1, 12639599), (7, 1805657), (31, 407729), (49, 257951), (53, 238483), (157, 80507), (217, 58247), (371, 34069), (1099, 11501), (1519, 8321), (1643, 7693), (2597, 4867)]