263851138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 427933440

約数和(自身を除く): 164082302

約数列:

[1, 2, 19, 38, 47, 94, 241, 482, 613, 893, 1226, 1786, 4579, 9158, 11327, 11647, 22654, 23294, 28811, 57622, 147733, 215213, 295466, 430426, 547409, 1094818, 2806927, 5613854, 6943451, 13886902, 131925569, 263851138]

約数ペア:

[(1, 263851138), (2, 131925569), (19, 13886902), (38, 6943451), (47, 5613854), (94, 2806927), (241, 1094818), (482, 547409), (613, 430426), (893, 295466), (1226, 215213), (1786, 147733), (4579, 57622), (9158, 28811), (11327, 23294), (11647, 22654)]