1981276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 3887856

約数和(自身を除く): 1906580

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1217, 1628, 2434, 4868, 13387, 26774, 45029, 53548, 90058, 180116, 495319, 990638, 1981276]

約数ペア:

[(1, 1981276), (2, 990638), (4, 495319), (11, 180116), (22, 90058), (37, 53548), (44, 45029), (74, 26774), (148, 13387), (407, 4868), (814, 2434), (1217, 1628)]