2021761775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{647}}^1\times {\mathrm{1033}}^1$

素因数の和:1712

約数の個数: 36

約数和(自身を含む): 2762541936

約数和(自身を除く): 740780161

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 647, 1033, 3025, 3235, 5165, 7117, 11363, 16175, 25825, 35585, 56815, 78287, 124993, 177925, 284075, 391435, 624965, 668351, 1957175, 3124825, 3341755, 7351861, 16708775, 36759305, 80870471, 183796525, 404352355, 2021761775]

約数ペア:

[(1, 2021761775), (5, 404352355), (11, 183796525), (25, 80870471), (55, 36759305), (121, 16708775), (275, 7351861), (605, 3341755), (647, 3124825), (1033, 1957175), (3025, 668351), (3235, 624965), (5165, 391435), (7117, 284075), (11363, 177925), (16175, 124993), (25825, 78287), (35585, 56815)]