686298908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 1303755264

約数和(自身を除く): 617456356

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 191, 212, 382, 764, 901, 997, 1802, 1994, 3247, 3604, 3988, 6494, 10123, 12988, 16949, 20246, 33898, 40492, 52841, 67796, 105682, 172091, 190427, 211364, 344182, 380854, 688364, 761708, 898297, 1796594, 3237259, 3593188, 6474518, 10092631, 12949036, 20185262, 40370524, 171574727, 343149454, 686298908]

約数ペア:

[(1, 686298908), (2, 343149454), (4, 171574727), (17, 40370524), (34, 20185262), (53, 12949036), (68, 10092631), (106, 6474518), (191, 3593188), (212, 3237259), (382, 1796594), (764, 898297), (901, 761708), (997, 688364), (1802, 380854), (1994, 344182), (3247, 211364), (3604, 190427), (3988, 172091), (6494, 105682), (10123, 67796), (12988, 52841), (16949, 40492), (20246, 33898)]