639752432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{213821}}^1$

素因数の和:213857

約数の個数: 40

約数和(自身を含む): 1431752112

約数和(自身を除く): 791999680

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 213821, 427642, 855284, 1710568, 2352031, 3421136, 3634957, 4704062, 7269914, 9408124, 14539828, 18816248, 29079656, 37632496, 39984527, 58159312, 79969054, 159938108, 319876216, 639752432]

約数ペア:

[(1, 639752432), (2, 319876216), (4, 159938108), (8, 79969054), (11, 58159312), (16, 39984527), (17, 37632496), (22, 29079656), (34, 18816248), (44, 14539828), (68, 9408124), (88, 7269914), (136, 4704062), (176, 3634957), (187, 3421136), (272, 2352031), (374, 1710568), (748, 855284), (1496, 427642), (2992, 213821)]