81530735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 116182080

約数和(自身を除く): 34651345

約数列:

[1, 5, 11, 13, 55, 65, 101, 143, 505, 715, 1111, 1129, 1313, 5555, 5645, 6565, 12419, 14443, 14677, 62095, 72215, 73385, 114029, 161447, 570145, 807235, 1254319, 1482377, 6271595, 7411885, 16306147, 81530735]

約数ペア:

[(1, 81530735), (5, 16306147), (11, 7411885), (13, 6271595), (55, 1482377), (65, 1254319), (101, 807235), (143, 570145), (505, 161447), (715, 114029), (1111, 73385), (1129, 72215), (1313, 62095), (5555, 14677), (5645, 14443), (6565, 12419)]