66905251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 86261760

約数和(自身を除く): 19356509

約数列:

[1, 7, 17, 19, 119, 127, 133, 233, 323, 889, 1631, 2159, 2261, 2413, 3961, 4427, 15113, 16891, 27727, 29591, 30989, 41021, 75259, 207137, 287147, 503047, 526813, 562229, 3521329, 3935603, 9557893, 66905251]

約数ペア:

[(1, 66905251), (7, 9557893), (17, 3935603), (19, 3521329), (119, 562229), (127, 526813), (133, 503047), (233, 287147), (323, 207137), (889, 75259), (1631, 41021), (2159, 30989), (2261, 29591), (2413, 27727), (3961, 16891), (4427, 15113)]