220177874

素因数分解:

$2^1\times 7^3\times {\mathrm{193}}^1\times {\mathrm{1663}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 387379200

約数和(自身を除く): 167201326

約数列:

[1, 2, 7, 14, 49, 98, 193, 343, 386, 686, 1351, 1663, 2702, 3326, 9457, 11641, 18914, 23282, 66199, 81487, 132398, 162974, 320959, 570409, 641918, 1140818, 2246713, 4493426, 15726991, 31453982, 110088937, 220177874]

約数ペア:

[(1, 220177874), (2, 110088937), (7, 31453982), (14, 15726991), (49, 4493426), (98, 2246713), (193, 1140818), (343, 641918), (386, 570409), (686, 320959), (1351, 162974), (1663, 132398), (2702, 81487), (3326, 66199), (9457, 23282), (11641, 18914)]