68275792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328249}}^1$

素因数の和:328270

約数の個数: 20

約数和(自身を含む): 142460500

約数和(自身を除く): 74184708

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328249, 656498, 1312996, 2625992, 4267237, 5251984, 8534474, 17068948, 34137896, 68275792]

約数ペア:

[(1, 68275792), (2, 34137896), (4, 17068948), (8, 8534474), (13, 5251984), (16, 4267237), (26, 2625992), (52, 1312996), (104, 656498), (208, 328249)]