25557519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 38191104

約数和(自身を除く): 12633585

約数列:

[1, 3, 13, 39, 47, 73, 141, 191, 219, 573, 611, 949, 1833, 2483, 2847, 3431, 7449, 8977, 10293, 13943, 26931, 41829, 44603, 116701, 133809, 181259, 350103, 543777, 655321, 1965963, 8519173, 25557519]

約数ペア:

[(1, 25557519), (3, 8519173), (13, 1965963), (39, 655321), (47, 543777), (73, 350103), (141, 181259), (191, 133809), (219, 116701), (573, 44603), (611, 41829), (949, 26931), (1833, 13943), (2483, 10293), (2847, 8977), (3431, 7449)]