31815245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4861}}^1$

素因数の和:4901

約数の個数: 32

約数和(自身を含む): 50409216

約数和(自身を除く): 18593971

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 4861, 6545, 24305, 34027, 53471, 82637, 170135, 267355, 374297, 413185, 578459, 909007, 1871485, 2892295, 4545035, 6363049, 31815245]

約数ペア:

[(1, 31815245), (5, 6363049), (7, 4545035), (11, 2892295), (17, 1871485), (35, 909007), (55, 578459), (77, 413185), (85, 374297), (119, 267355), (187, 170135), (385, 82637), (595, 53471), (935, 34027), (1309, 24305), (4861, 6545)]