31797220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17471}}^1$

素因数の和:17500

約数の個数: 48

約数和(自身を含む): 82188288

約数和(自身を除く): 50391068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17471, 34942, 69884, 87355, 122297, 174710, 227123, 244594, 349420, 454246, 489188, 611485, 908492, 1135615, 1222970, 1589861, 2271230, 2445940, 3179722, 4542460, 6359444, 7949305, 15898610, 31797220]

約数ペア:

[(1, 31797220), (2, 15898610), (4, 7949305), (5, 6359444), (7, 4542460), (10, 3179722), (13, 2445940), (14, 2271230), (20, 1589861), (26, 1222970), (28, 1135615), (35, 908492), (52, 611485), (65, 489188), (70, 454246), (91, 349420), (130, 244594), (140, 227123), (182, 174710), (260, 122297), (364, 87355), (455, 69884), (910, 34942), (1820, 17471)]