2551325

素因数分解:

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

素因数の和:317

約数の個数: 24

約数和(自身を含む): 3690240

約数和(自身を除く): 1138915

約数列:

[1, 5, 7, 25, 35, 61, 175, 239, 305, 427, 1195, 1525, 1673, 2135, 5975, 8365, 10675, 14579, 41825, 72895, 102053, 364475, 510265, 2551325]

約数ペア:

[(1, 2551325), (5, 510265), (7, 364475), (25, 102053), (35, 72895), (61, 41825), (175, 14579), (239, 10675), (305, 8365), (427, 5975), (1195, 2135), (1525, 1673)]