66717784

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6173}}^1$

素因数の和:6379

約数の個数: 32

約数和(自身を含む): 143730720

約数和(自身を除く): 77012936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 6173, 10808, 12346, 24692, 43211, 49384, 86422, 172844, 345688, 1191389, 2382778, 4765556, 8339723, 9531112, 16679446, 33358892, 66717784]

約数ペア:

[(1, 66717784), (2, 33358892), (4, 16679446), (7, 9531112), (8, 8339723), (14, 4765556), (28, 2382778), (56, 1191389), (193, 345688), (386, 172844), (772, 86422), (1351, 49384), (1544, 43211), (2702, 24692), (5404, 12346), (6173, 10808)]