388983636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{469787}}^1$

素因数の和:469820

約数の個数: 36

約数和(自身を含む): 1026016992

約数和(自身を除く): 637033356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 469787, 939574, 1409361, 1879148, 2818722, 4228083, 5637444, 8456166, 10805101, 16912332, 21610202, 32415303, 43220404, 64830606, 97245909, 129661212, 194491818, 388983636]

約数ペア:

[(1, 388983636), (2, 194491818), (3, 129661212), (4, 97245909), (6, 64830606), (9, 43220404), (12, 32415303), (18, 21610202), (23, 16912332), (36, 10805101), (46, 8456166), (69, 5637444), (92, 4228083), (138, 2818722), (207, 1879148), (276, 1409361), (414, 939574), (828, 469787)]