218139215

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{751}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 308115456

約数和(自身を除く): 89976241

約数列:

[1, 5, 7, 35, 43, 193, 215, 301, 751, 965, 1351, 1505, 3755, 5257, 6755, 8299, 26285, 32293, 41495, 58093, 144943, 161465, 226051, 290465, 724715, 1014601, 1130255, 5073005, 6232549, 31162745, 43627843, 218139215]

約数ペア:

[(1, 218139215), (5, 43627843), (7, 31162745), (35, 6232549), (43, 5073005), (193, 1130255), (215, 1014601), (301, 724715), (751, 290465), (965, 226051), (1351, 161465), (1505, 144943), (3755, 58093), (5257, 41495), (6755, 32293), (8299, 26285)]