2191569149

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{4231}}^1$

素因数の和:4318

約数の個数: 36

約数和(自身を含む): 2874425184

約数和(自身を除く): 682856035

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 961, 1519, 2387, 4231, 6727, 10571, 16709, 29617, 46541, 47089, 73997, 131161, 207319, 325787, 517979, 918127, 1442771, 2280509, 4065991, 6426889, 10099397, 28461937, 44725901, 70695779, 199233559, 313081307, 2191569149]

約数ペア:

[(1, 2191569149), (7, 313081307), (11, 199233559), (31, 70695779), (49, 44725901), (77, 28461937), (217, 10099397), (341, 6426889), (539, 4065991), (961, 2280509), (1519, 1442771), (2387, 918127), (4231, 517979), (6727, 325787), (10571, 207319), (16709, 131161), (29617, 73997), (46541, 47089)]