259735984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{599}}^1\times {\mathrm{661}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 517154400

約数和(自身を除く): 257418416

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 599, 656, 661, 1198, 1322, 2396, 2644, 4792, 5288, 9584, 10576, 24559, 27101, 49118, 54202, 98236, 108404, 196472, 216808, 392944, 395939, 433616, 791878, 1583756, 3167512, 6335024, 16233499, 32466998, 64933996, 129867992, 259735984]

約数ペア:

[(1, 259735984), (2, 129867992), (4, 64933996), (8, 32466998), (16, 16233499), (41, 6335024), (82, 3167512), (164, 1583756), (328, 791878), (599, 433616), (656, 395939), (661, 392944), (1198, 216808), (1322, 196472), (2396, 108404), (2644, 98236), (4792, 54202), (5288, 49118), (9584, 27101), (10576, 24559)]