11913517

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 16301088

約数和(自身を除く): 4387571

約数列:

[1, 7, 11, 23, 31, 49, 77, 161, 217, 253, 341, 539, 713, 961, 1127, 1519, 1771, 2387, 4991, 6727, 7843, 10571, 12397, 16709, 22103, 34937, 47089, 54901, 73997, 154721, 243133, 384307, 517979, 1083047, 1701931, 11913517]

約数ペア:

[(1, 11913517), (7, 1701931), (11, 1083047), (23, 517979), (31, 384307), (49, 243133), (77, 154721), (161, 73997), (217, 54901), (253, 47089), (341, 34937), (539, 22103), (713, 16709), (961, 12397), (1127, 10571), (1519, 7843), (1771, 6727), (2387, 4991)]