128581156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{4721}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 245921760

約数和(自身を除く): 117340604

約数列:

[1, 2, 4, 11, 22, 44, 619, 1238, 2476, 4721, 6809, 9442, 13618, 18884, 27236, 51931, 103862, 207724, 2922299, 5844598, 11689196, 32145289, 64290578, 128581156]

約数ペア:

[(1, 128581156), (2, 64290578), (4, 32145289), (11, 11689196), (22, 5844598), (44, 2922299), (619, 207724), (1238, 103862), (2476, 51931), (4721, 27236), (6809, 18884), (9442, 13618)]