81261816

素因数分解:

$2^3\times 3^1\times {\mathrm{449}}^1\times {\mathrm{7541}}^1$

素因数の和:7999

約数の個数: 32

約数和(自身を含む): 203634000

約数和(自身を除く): 122372184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 449, 898, 1347, 1796, 2694, 3592, 5388, 7541, 10776, 15082, 22623, 30164, 45246, 60328, 90492, 180984, 3385909, 6771818, 10157727, 13543636, 20315454, 27087272, 40630908, 81261816]

約数ペア:

[(1, 81261816), (2, 40630908), (3, 27087272), (4, 20315454), (6, 13543636), (8, 10157727), (12, 6771818), (24, 3385909), (449, 180984), (898, 90492), (1347, 60328), (1796, 45246), (2694, 30164), (3592, 22623), (5388, 15082), (7541, 10776)]