81556846

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1663}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 145686528

約数和(自身を除く): 64129682

約数列:

[1, 2, 7, 14, 31, 62, 113, 217, 226, 434, 791, 1582, 1663, 3326, 3503, 7006, 11641, 23282, 24521, 49042, 51553, 103106, 187919, 360871, 375838, 721742, 1315433, 2630866, 5825489, 11650978, 40778423, 81556846]

約数ペア:

[(1, 81556846), (2, 40778423), (7, 11650978), (14, 5825489), (31, 2630866), (62, 1315433), (113, 721742), (217, 375838), (226, 360871), (434, 187919), (791, 103106), (1582, 51553), (1663, 49042), (3326, 24521), (3503, 23282), (7006, 11641)]