165720035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 219542400

約数和(自身を除く): 53822365

約数列:

[1, 5, 13, 65, 71, 149, 241, 355, 745, 923, 1205, 1937, 3133, 4615, 9685, 10579, 15665, 17111, 35909, 52895, 85555, 137527, 179545, 222443, 466817, 687635, 1112215, 2334085, 2549539, 12747695, 33144007, 165720035]

約数ペア:

[(1, 165720035), (5, 33144007), (13, 12747695), (65, 2549539), (71, 2334085), (149, 1112215), (241, 687635), (355, 466817), (745, 222443), (923, 179545), (1205, 137527), (1937, 85555), (3133, 52895), (4615, 35909), (9685, 17111), (10579, 15665)]