31564325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 46403280

約数和(自身を除く): 14838955

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 197, 221, 325, 377, 425, 493, 725, 985, 1105, 1885, 2465, 2561, 3349, 4925, 5525, 5713, 6409, 9425, 12325, 12805, 16745, 28565, 32045, 43537, 64025, 74269, 83725, 97121, 142825, 160225, 217685, 371345, 485605, 1088425, 1262573, 1856725, 2428025, 6312865, 31564325]

約数ペア:

[(1, 31564325), (5, 6312865), (13, 2428025), (17, 1856725), (25, 1262573), (29, 1088425), (65, 485605), (85, 371345), (145, 217685), (197, 160225), (221, 142825), (325, 97121), (377, 83725), (425, 74269), (493, 64025), (725, 43537), (985, 32045), (1105, 28565), (1885, 16745), (2465, 12805), (2561, 12325), (3349, 9425), (4925, 6409), (5525, 5713)]