28064575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 44282880

約数和(自身を除く): 16218305

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 175, 239, 275, 305, 385, 427, 671, 1195, 1525, 1673, 1925, 2135, 2629, 3355, 4697, 5975, 8365, 10675, 13145, 14579, 16775, 18403, 23485, 41825, 65725, 72895, 92015, 102053, 117425, 160369, 364475, 460075, 510265, 801845, 1122583, 2551325, 4009225, 5612915, 28064575]

約数ペア:

[(1, 28064575), (5, 5612915), (7, 4009225), (11, 2551325), (25, 1122583), (35, 801845), (55, 510265), (61, 460075), (77, 364475), (175, 160369), (239, 117425), (275, 102053), (305, 92015), (385, 72895), (427, 65725), (671, 41825), (1195, 23485), (1525, 18403), (1673, 16775), (1925, 14579), (2135, 13145), (2629, 10675), (3355, 8365), (4697, 5975)]