7991305

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 11784960

約数和(自身を除く): 3793655

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 197, 305, 427, 665, 985, 1159, 1379, 2135, 3743, 5795, 6895, 8113, 12017, 18715, 26201, 40565, 60085, 84119, 131005, 228323, 420595, 1141615, 1598261, 7991305]

約数ペア:

[(1, 7991305), (5, 1598261), (7, 1141615), (19, 420595), (35, 228323), (61, 131005), (95, 84119), (133, 60085), (197, 40565), (305, 26201), (427, 18715), (665, 12017), (985, 8113), (1159, 6895), (1379, 5795), (2135, 3743)]