256331824

素因数分解:

$2^4\times 7^1\times {\mathrm{2288677}}^1$

素因数の和:2288692

約数の個数: 20

約数和(自身を含む): 567592144

約数和(自身を除く): 311260320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2288677, 4577354, 9154708, 16020739, 18309416, 32041478, 36618832, 64082956, 128165912, 256331824]

約数ペア:

[(1, 256331824), (2, 128165912), (4, 64082956), (7, 36618832), (8, 32041478), (14, 18309416), (16, 16020739), (28, 9154708), (56, 4577354), (112, 2288677)]