81066076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 182958944

約数和(自身を除く): 101892868

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 421, 529, 598, 644, 842, 1058, 1196, 1684, 2093, 2116, 2947, 3703, 4186, 5473, 5894, 6877, 7406, 8372, 9683, 10946, 11788, 13754, 14812, 19366, 21892, 27508, 38311, 38732, 48139, 67781, 76622, 96278, 125879, 135562, 153244, 192556, 222709, 251758, 271124, 445418, 503516, 881153, 890836, 1558963, 1762306, 2895217, 3117926, 3524612, 5790434, 6235852, 11580868, 20266519, 40533038, 81066076]

約数ペア:

[(1, 81066076), (2, 40533038), (4, 20266519), (7, 11580868), (13, 6235852), (14, 5790434), (23, 3524612), (26, 3117926), (28, 2895217), (46, 1762306), (52, 1558963), (91, 890836), (92, 881153), (161, 503516), (182, 445418), (299, 271124), (322, 251758), (364, 222709), (421, 192556), (529, 153244), (598, 135562), (644, 125879), (842, 96278), (1058, 76622), (1196, 67781), (1684, 48139), (2093, 38732), (2116, 38311), (2947, 27508), (3703, 21892), (4186, 19366), (5473, 14812), (5894, 13754), (6877, 11788), (7406, 10946), (8372, 9683)]