77987725

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 99027392

約数和(自身を除く): 21039667

約数列:

[1, 5, 25, 73, 151, 283, 365, 755, 1415, 1825, 3775, 7075, 11023, 20659, 42733, 55115, 103295, 213665, 275575, 516475, 1068325, 3119509, 15597545, 77987725]

約数ペア:

[(1, 77987725), (5, 15597545), (25, 3119509), (73, 1068325), (151, 516475), (283, 275575), (365, 213665), (755, 103295), (1415, 55115), (1825, 42733), (3775, 20659), (7075, 11023)]