389952396

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{470957}}^1$

素因数の和:470990

約数の個数: 36

約数和(自身を含む): 1028572272

約数和(自身を除く): 638619876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 470957, 941914, 1412871, 1883828, 2825742, 4238613, 5651484, 8477226, 10832011, 16954452, 21664022, 32496033, 43328044, 64992066, 97488099, 129984132, 194976198, 389952396]

約数ペア:

[(1, 389952396), (2, 194976198), (3, 129984132), (4, 97488099), (6, 64992066), (9, 43328044), (12, 32496033), (18, 21664022), (23, 16954452), (36, 10832011), (46, 8477226), (69, 5651484), (92, 4238613), (138, 2825742), (207, 1883828), (276, 1412871), (414, 941914), (828, 470957)]