25743584

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 52989552

約数和(自身を除く): 27245968

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 344, 353, 424, 688, 706, 848, 1376, 1412, 1696, 2279, 2824, 4558, 5648, 9116, 11296, 15179, 18232, 18709, 30358, 36464, 37418, 60716, 72928, 74836, 121432, 149672, 242864, 299344, 485728, 598688, 804487, 1608974, 3217948, 6435896, 12871792, 25743584]

約数ペア:

[(1, 25743584), (2, 12871792), (4, 6435896), (8, 3217948), (16, 1608974), (32, 804487), (43, 598688), (53, 485728), (86, 299344), (106, 242864), (172, 149672), (212, 121432), (344, 74836), (353, 72928), (424, 60716), (688, 37418), (706, 36464), (848, 30358), (1376, 18709), (1412, 18232), (1696, 15179), (2279, 11296), (2824, 9116), (4558, 5648)]