28397974

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2796

約数の個数: 24

約数和(自身を含む): 47927880

約数和(自身を除く): 19529906

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 2729, 5203, 5458, 10406, 30019, 60038, 117347, 234694, 330209, 660418, 1290817, 2581634, 14198987, 28397974]

約数ペア:

[(1, 28397974), (2, 14198987), (11, 2581634), (22, 1290817), (43, 660418), (86, 330209), (121, 234694), (242, 117347), (473, 60038), (946, 30019), (2729, 10406), (5203, 5458)]