981310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{811}}^1$

素因数の和:840

約数の個数: 24

約数和(自身を含む): 1943928

約数和(自身を除く): 962618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 811, 1210, 1622, 4055, 8110, 8921, 17842, 44605, 89210, 98131, 196262, 490655, 981310]

約数ペア:

[(1, 981310), (2, 490655), (5, 196262), (10, 98131), (11, 89210), (22, 44605), (55, 17842), (110, 8921), (121, 8110), (242, 4055), (605, 1622), (811, 1210)]