221125016

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{17707}}^1$

素因数の和:17943

約数の個数: 32

約数和(自身を含む): 475991040

約数和(自身を除く): 254866024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 17707, 35414, 70828, 123949, 141656, 247898, 495796, 991592, 3948661, 7897322, 15794644, 27640627, 31589288, 55281254, 110562508, 221125016]

約数ペア:

[(1, 221125016), (2, 110562508), (4, 55281254), (7, 31589288), (8, 27640627), (14, 15794644), (28, 7897322), (56, 3948661), (223, 991592), (446, 495796), (892, 247898), (1561, 141656), (1784, 123949), (3122, 70828), (6244, 35414), (12488, 17707)]