641796738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 1542758400

約数和(自身を除く): 900961662

約数列:

[1, 2, 3, 6, 11, 22, 23, 29, 33, 46, 58, 61, 66, 69, 87, 122, 138, 174, 183, 239, 253, 319, 366, 478, 506, 638, 667, 671, 717, 759, 957, 1334, 1342, 1403, 1434, 1518, 1769, 1914, 2001, 2013, 2629, 2806, 3538, 4002, 4026, 4209, 5258, 5307, 5497, 6931, 7337, 7887, 8418, 10614, 10994, 13862, 14579, 14674, 15433, 15774, 16491, 19459, 20793, 22011, 29158, 30866, 32982, 38918, 40687, 41586, 43737, 44022, 46299, 58377, 60467, 76241, 81374, 87474, 92598, 116754, 120934, 122061, 152482, 159413, 160369, 181401, 228723, 244122, 318826, 320738, 335317, 362802, 422791, 447557, 457446, 478239, 481107, 670634, 845582, 895114, 956478, 962214, 1005951, 1268373, 1342671, 1753543, 2011902, 2536746, 2685342, 3507086, 3688487, 4650701, 5260629, 7376974, 9301402, 9724193, 10521258, 11065461, 13952103, 19448386, 22130922, 27904206, 29172579, 58345158, 106966123, 213932246, 320898369, 641796738]

約数ペア:

[(1, 641796738), (2, 320898369), (3, 213932246), (6, 106966123), (11, 58345158), (22, 29172579), (23, 27904206), (29, 22130922), (33, 19448386), (46, 13952103), (58, 11065461), (61, 10521258), (66, 9724193), (69, 9301402), (87, 7376974), (122, 5260629), (138, 4650701), (174, 3688487), (183, 3507086), (239, 2685342), (253, 2536746), (319, 2011902), (366, 1753543), (478, 1342671), (506, 1268373), (638, 1005951), (667, 962214), (671, 956478), (717, 895114), (759, 845582), (957, 670634), (1334, 481107), (1342, 478239), (1403, 457446), (1434, 447557), (1518, 422791), (1769, 362802), (1914, 335317), (2001, 320738), (2013, 318826), (2629, 244122), (2806, 228723), (3538, 181401), (4002, 160369), (4026, 159413), (4209, 152482), (5258, 122061), (5307, 120934), (5497, 116754), (6931, 92598), (7337, 87474), (7887, 81374), (8418, 76241), (10614, 60467), (10994, 58377), (13862, 46299), (14579, 44022), (14674, 43737), (15433, 41586), (15774, 40687), (16491, 38918), (19459, 32982), (20793, 30866), (22011, 29158)]