206831345

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 290012928

約数和(自身を除く): 83181583

約数列:

[1, 5, 7, 35, 67, 193, 335, 457, 469, 965, 1351, 2285, 2345, 3199, 6755, 12931, 15995, 30619, 64655, 88201, 90517, 153095, 214333, 441005, 452585, 617407, 1071665, 3087035, 5909467, 29547335, 41366269, 206831345]

約数ペア:

[(1, 206831345), (5, 41366269), (7, 29547335), (35, 5909467), (67, 3087035), (193, 1071665), (335, 617407), (457, 452585), (469, 441005), (965, 214333), (1351, 153095), (2285, 90517), (2345, 88201), (3199, 64655), (6755, 30619), (12931, 15995)]