25694565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 49061376

約数和(自身を除く): 23366811

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 221, 255, 299, 337, 345, 391, 663, 897, 1011, 1105, 1173, 1495, 1685, 1955, 3315, 4381, 4485, 5055, 5083, 5729, 5865, 7751, 13143, 15249, 17187, 21905, 23253, 25415, 28645, 38755, 65715, 74477, 76245, 85935, 100763, 116265, 131767, 223431, 302289, 372385, 395301, 503815, 658835, 1117155, 1511445, 1712971, 1976505, 5138913, 8564855, 25694565]

約数ペア:

[(1, 25694565), (3, 8564855), (5, 5138913), (13, 1976505), (15, 1712971), (17, 1511445), (23, 1117155), (39, 658835), (51, 503815), (65, 395301), (69, 372385), (85, 302289), (115, 223431), (195, 131767), (221, 116265), (255, 100763), (299, 85935), (337, 76245), (345, 74477), (391, 65715), (663, 38755), (897, 28645), (1011, 25415), (1105, 23253), (1173, 21905), (1495, 17187), (1685, 15249), (1955, 13143), (3315, 7751), (4381, 5865), (4485, 5729), (5055, 5083)]