71781247984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1898573}}^1$

素因数の和:1898737

約数の個数: 40

約数和(自身を含む): 148316600880

約数和(自身を除く): 76535352896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2224, 2363, 4726, 9452, 18904, 37808, 1898573, 3797146, 7594292, 15188584, 30377168, 32275741, 64551482, 129102964, 258205928, 263901647, 516411856, 527803294, 1055606588, 2111213176, 4222426352, 4486327999, 8972655998, 17945311996, 35890623992, 71781247984]

約数ペア:

[(1, 71781247984), (2, 35890623992), (4, 17945311996), (8, 8972655998), (16, 4486327999), (17, 4222426352), (34, 2111213176), (68, 1055606588), (136, 527803294), (139, 516411856), (272, 263901647), (278, 258205928), (556, 129102964), (1112, 64551482), (2224, 32275741), (2363, 30377168), (4726, 15188584), (9452, 7594292), (18904, 3797146), (37808, 1898573)]