81353776

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3803}}^1$

素因数の和:4009

約数の個数: 40

約数和(自身を含む): 181131264

約数和(自身を除く): 99777488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 1337, 1528, 2674, 3056, 3803, 5348, 7606, 10696, 15212, 21392, 26621, 30424, 53242, 60848, 106484, 212968, 425936, 726373, 1452746, 2905492, 5084611, 5810984, 10169222, 11621968, 20338444, 40676888, 81353776]

約数ペア:

[(1, 81353776), (2, 40676888), (4, 20338444), (7, 11621968), (8, 10169222), (14, 5810984), (16, 5084611), (28, 2905492), (56, 1452746), (112, 726373), (191, 425936), (382, 212968), (764, 106484), (1337, 60848), (1528, 53242), (2674, 30424), (3056, 26621), (3803, 21392), (5348, 15212), (7606, 10696)]