128172850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{673}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 257999112

約数和(自身を除く): 129826262

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 293, 325, 586, 650, 673, 1346, 1465, 2930, 3365, 3809, 6730, 7325, 7618, 8749, 14650, 16825, 17498, 19045, 33650, 38090, 43745, 87490, 95225, 190450, 197189, 218725, 394378, 437450, 985945, 1971890, 2563457, 4929725, 5126914, 9859450, 12817285, 25634570, 64086425, 128172850]

約数ペア:

[(1, 128172850), (2, 64086425), (5, 25634570), (10, 12817285), (13, 9859450), (25, 5126914), (26, 4929725), (50, 2563457), (65, 1971890), (130, 985945), (293, 437450), (325, 394378), (586, 218725), (650, 197189), (673, 190450), (1346, 95225), (1465, 87490), (2930, 43745), (3365, 38090), (3809, 33650), (6730, 19045), (7325, 17498), (7618, 16825), (8749, 14650)]