218713390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{16189}}^1$

素因数の和:16396

約数の個数: 32

約数和(自身を含む): 452283840

約数和(自身を除く): 233570450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1930, 2702, 6755, 13510, 16189, 32378, 80945, 113323, 161890, 226646, 566615, 1133230, 3124477, 6248954, 15622385, 21871339, 31244770, 43742678, 109356695, 218713390]

約数ペア:

[(1, 218713390), (2, 109356695), (5, 43742678), (7, 31244770), (10, 21871339), (14, 15622385), (35, 6248954), (70, 3124477), (193, 1133230), (386, 566615), (965, 226646), (1351, 161890), (1930, 113323), (2702, 80945), (6755, 32378), (13510, 16189)]