131037445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20061

約数の個数: 32

約数和(自身を含む): 207588096

約数和(自身を除く): 76550651

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 20021, 100105, 140147, 220231, 340357, 700735, 1101155, 1541617, 1701785, 2382499, 3743927, 7708085, 11912495, 18719635, 26207489, 131037445]

約数ペア:

[(1, 131037445), (5, 26207489), (7, 18719635), (11, 11912495), (17, 7708085), (35, 3743927), (55, 2382499), (77, 1701785), (85, 1541617), (119, 1101155), (187, 700735), (385, 340357), (595, 220231), (935, 140147), (1309, 100105), (6545, 20021)]