25897868

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 36

約数和(自身を含む): 49358232

約数和(自身を除く): 23460364

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 521, 578, 731, 1042, 1156, 1462, 2084, 2924, 8857, 12427, 17714, 22403, 24854, 35428, 44806, 49708, 89612, 150569, 301138, 380851, 602276, 761702, 1523404, 6474467, 12948934, 25897868]

約数ペア:

[(1, 25897868), (2, 12948934), (4, 6474467), (17, 1523404), (34, 761702), (43, 602276), (68, 380851), (86, 301138), (172, 150569), (289, 89612), (521, 49708), (578, 44806), (731, 35428), (1042, 24854), (1156, 22403), (1462, 17714), (2084, 12427), (2924, 8857)]