211177828

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:604

約数の個数: 36

約数和(自身を含む): 385613676

約数和(自身を除く): 174435848

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 401, 548, 802, 961, 1604, 1922, 3844, 4247, 8494, 12431, 16988, 24862, 49724, 54937, 109874, 131657, 219748, 263314, 385361, 526628, 770722, 1541444, 1703047, 3406094, 6812188, 52794457, 105588914, 211177828]

約数ペア:

[(1, 211177828), (2, 105588914), (4, 52794457), (31, 6812188), (62, 3406094), (124, 1703047), (137, 1541444), (274, 770722), (401, 526628), (548, 385361), (802, 263314), (961, 219748), (1604, 131657), (1922, 109874), (3844, 54937), (4247, 49724), (8494, 24862), (12431, 16988)]