991971310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{819811}}^1$

素因数の和:819840

約数の個数: 24

約数和(自身を含む): 1962629928

約数和(自身を除く): 970658618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 819811, 1639622, 4099055, 8198110, 9017921, 18035842, 45089605, 90179210, 99197131, 198394262, 495985655, 991971310]

約数ペア:

[(1, 991971310), (2, 495985655), (5, 198394262), (10, 99197131), (11, 90179210), (22, 45089605), (55, 18035842), (110, 9017921), (121, 8198110), (242, 4099055), (605, 1639622), (1210, 819811)]