12897584287

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 15038255232

約数和(自身を除く): 2140670945

約数列:

[1, 7, 137, 197, 233, 293, 959, 1379, 1631, 2051, 26989, 31921, 40141, 45901, 57721, 68269, 188923, 223447, 280987, 321307, 404047, 477883, 6288437, 7907777, 9352853, 13448993, 44019059, 55354439, 65469971, 94142951, 1842512041, 12897584287]

約数ペア:

[(1, 12897584287), (7, 1842512041), (137, 94142951), (197, 65469971), (233, 55354439), (293, 44019059), (959, 13448993), (1379, 9352853), (1631, 7907777), (2051, 6288437), (26989, 477883), (31921, 404047), (40141, 321307), (45901, 280987), (57721, 223447), (68269, 188923)]