81312748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{14107}}^1$

素因数の和:14253

約数の個数: 24

約数和(自身を含む): 156429504

約数和(自身を除く): 75116756

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 14107, 28214, 56428, 155177, 310354, 620708, 1848017, 3696034, 7392068, 20328187, 40656374, 81312748]

約数ペア:

[(1, 81312748), (2, 40656374), (4, 20328187), (11, 7392068), (22, 3696034), (44, 1848017), (131, 620708), (262, 310354), (524, 155177), (1441, 56428), (2882, 28214), (5764, 14107)]