28643454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1105

約数の個数: 48

約数和(自身を含む): 71267040

約数和(自身を除く): 42623586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 281, 562, 809, 843, 1618, 1686, 1967, 2427, 2529, 3934, 4854, 5058, 5663, 5901, 7281, 11326, 11802, 14562, 16989, 17703, 33978, 35406, 50967, 101934, 227329, 454658, 681987, 1363974, 1591303, 2045961, 3182606, 4091922, 4773909, 9547818, 14321727, 28643454]

約数ペア:

[(1, 28643454), (2, 14321727), (3, 9547818), (6, 4773909), (7, 4091922), (9, 3182606), (14, 2045961), (18, 1591303), (21, 1363974), (42, 681987), (63, 454658), (126, 227329), (281, 101934), (562, 50967), (809, 35406), (843, 33978), (1618, 17703), (1686, 16989), (1967, 14562), (2427, 11802), (2529, 11326), (3934, 7281), (4854, 5901), (5058, 5663)]