81396854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2683}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 153052416

約数和(自身を除く): 71655562

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 1379, 2167, 2683, 2758, 4334, 5366, 15169, 18781, 29513, 30338, 37562, 59026, 206591, 413182, 528551, 1057102, 3699857, 5814061, 7399714, 11628122, 40698427, 81396854]

約数ペア:

[(1, 81396854), (2, 40698427), (7, 11628122), (11, 7399714), (14, 5814061), (22, 3699857), (77, 1057102), (154, 528551), (197, 413182), (394, 206591), (1379, 59026), (2167, 37562), (2683, 30338), (2758, 29513), (4334, 18781), (5366, 15169)]