257777296

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{10321}}^1$

素因数の和:10559

約数の個数: 40

約数和(自身を含む): 573407744

約数和(自身を除く): 315630448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 10321, 12488, 20642, 24976, 41284, 72247, 82568, 144494, 165136, 288988, 577976, 1155952, 2301583, 4603166, 9206332, 16111081, 18412664, 32222162, 36825328, 64444324, 128888648, 257777296]

約数ペア:

[(1, 257777296), (2, 128888648), (4, 64444324), (7, 36825328), (8, 32222162), (14, 18412664), (16, 16111081), (28, 9206332), (56, 4603166), (112, 2301583), (223, 1155952), (446, 577976), (892, 288988), (1561, 165136), (1784, 144494), (3122, 82568), (3568, 72247), (6244, 41284), (10321, 24976), (12488, 20642)]