81995144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133109}}^1$

素因数の和:133133

約数の個数: 32

約数和(自身を含む): 191678400

約数和(自身を除く): 109683256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 133109, 266218, 532436, 931763, 1064872, 1464199, 1863526, 2928398, 3727052, 5856796, 7454104, 10249393, 11713592, 20498786, 40997572, 81995144]

約数ペア:

[(1, 81995144), (2, 40997572), (4, 20498786), (7, 11713592), (8, 10249393), (11, 7454104), (14, 5856796), (22, 3727052), (28, 2928398), (44, 1863526), (56, 1464199), (77, 1064872), (88, 931763), (154, 532436), (308, 266218), (616, 133109)]