81259868

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{1061}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 146122704

約数和(自身を除く): 64862836

約数列:

[1, 2, 4, 41, 82, 164, 467, 934, 1061, 1868, 2122, 4244, 19147, 38294, 43501, 76588, 87002, 174004, 495487, 990974, 1981948, 20314967, 40629934, 81259868]

約数ペア:

[(1, 81259868), (2, 40629934), (4, 20314967), (41, 1981948), (82, 990974), (164, 495487), (467, 174004), (934, 87002), (1061, 76588), (1868, 43501), (2122, 38294), (4244, 19147)]