31221806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6991}}^1$

素因数の和:7040

約数の個数: 32

約数和(自身を含む): 60410880

約数和(自身を除く): 29189074

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 6991, 13982, 48937, 76901, 97874, 153802, 202739, 405478, 538307, 1076614, 1419173, 2230129, 2838346, 4460258, 15610903, 31221806]

約数ペア:

[(1, 31221806), (2, 15610903), (7, 4460258), (11, 2838346), (14, 2230129), (22, 1419173), (29, 1076614), (58, 538307), (77, 405478), (154, 202739), (203, 153802), (319, 97874), (406, 76901), (638, 48937), (2233, 13982), (4466, 6991)]