56470869

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 106509312

約数和(自身を除く): 50038443

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 191, 247, 273, 361, 399, 573, 741, 819, 1083, 1197, 1337, 1719, 1729, 2223, 2483, 2527, 3249, 3629, 4011, 4693, 5187, 7449, 7581, 10887, 12033, 14079, 15561, 17381, 22347, 22743, 25403, 32661, 32851, 42237, 47177, 52143, 68951, 76209, 98553, 141531, 156429, 206853, 228627, 295659, 330239, 424593, 482657, 620559, 896363, 990717, 1447971, 2689089, 2972151, 4343913, 6274541, 8067267, 18823623, 56470869]

約数ペア:

[(1, 56470869), (3, 18823623), (7, 8067267), (9, 6274541), (13, 4343913), (19, 2972151), (21, 2689089), (39, 1447971), (57, 990717), (63, 896363), (91, 620559), (117, 482657), (133, 424593), (171, 330239), (191, 295659), (247, 228627), (273, 206853), (361, 156429), (399, 141531), (573, 98553), (741, 76209), (819, 68951), (1083, 52143), (1197, 47177), (1337, 42237), (1719, 32851), (1729, 32661), (2223, 25403), (2483, 22743), (2527, 22347), (3249, 17381), (3629, 15561), (4011, 14079), (4693, 12033), (5187, 10887), (7449, 7581)]