128517284

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 269837568

約数和(自身を除く): 141320284

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 197, 322, 394, 644, 788, 1013, 1379, 2026, 2758, 4052, 4531, 5516, 7091, 9062, 14182, 18124, 23299, 28364, 31717, 46598, 63434, 93196, 126868, 163093, 199561, 326186, 399122, 652372, 798244, 1396927, 2793854, 4589903, 5587708, 9179806, 18359612, 32129321, 64258642, 128517284]

約数ペア:

[(1, 128517284), (2, 64258642), (4, 32129321), (7, 18359612), (14, 9179806), (23, 5587708), (28, 4589903), (46, 2793854), (92, 1396927), (161, 798244), (197, 652372), (322, 399122), (394, 326186), (644, 199561), (788, 163093), (1013, 126868), (1379, 93196), (2026, 63434), (2758, 46598), (4052, 31717), (4531, 28364), (5516, 23299), (7091, 18124), (9062, 14182)]