688081904

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{401917}}^1$

素因数の和:402032

約数の個数: 20

約数和(自身を含む): 1345621464

約数和(自身を除く): 657539560

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 401917, 803834, 1607668, 3215336, 6430672, 43005119, 86010238, 172020476, 344040952, 688081904]

約数ペア:

[(1, 688081904), (2, 344040952), (4, 172020476), (8, 86010238), (16, 43005119), (107, 6430672), (214, 3215336), (428, 1607668), (856, 803834), (1712, 401917)]