71512385

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 100638720

約数和(自身を除く): 29126335

約数列:

[1, 5, 7, 35, 83, 103, 239, 415, 515, 581, 721, 1195, 1673, 2905, 3605, 8365, 8549, 19837, 24617, 42745, 59843, 99185, 123085, 138859, 172319, 299215, 694295, 861595, 2043211, 10216055, 14302477, 71512385]

約数ペア:

[(1, 71512385), (5, 14302477), (7, 10216055), (35, 2043211), (83, 861595), (103, 694295), (239, 299215), (415, 172319), (515, 138859), (581, 123085), (721, 99185), (1195, 59843), (1673, 42745), (2905, 24617), (3605, 19837), (8365, 8549)]