28405714

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 17340206

約数列:

[1, 2, 37, 43, 74, 79, 86, 113, 158, 226, 1591, 2923, 3182, 3397, 4181, 4859, 5846, 6794, 8362, 8927, 9718, 17854, 125689, 179783, 251378, 330299, 359566, 383861, 660598, 767722, 14202857, 28405714]

約数ペア:

[(1, 28405714), (2, 14202857), (37, 767722), (43, 660598), (74, 383861), (79, 359566), (86, 330299), (113, 251378), (158, 179783), (226, 125689), (1591, 17854), (2923, 9718), (3182, 8927), (3397, 8362), (4181, 6794), (4859, 5846)]