648240770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131489}}^1$

素因数の和:131542

約数の個数: 32

約数和(自身を含む): 1278082800

約数和(自身を除く): 629842030

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 131489, 262978, 657445, 1314890, 2235313, 3813181, 4470626, 7626362, 11176565, 19065905, 22353130, 38131810, 64824077, 129648154, 324120385, 648240770]

約数ペア:

[(1, 648240770), (2, 324120385), (5, 129648154), (10, 64824077), (17, 38131810), (29, 22353130), (34, 19065905), (58, 11176565), (85, 7626362), (145, 4470626), (170, 3813181), (290, 2235313), (493, 1314890), (986, 657445), (2465, 262978), (4930, 131489)]