66897556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{80021}}^1$

素因数の和:80055

約数の個数: 24

約数和(自身を含む): 134436960

約数和(自身を除く): 67539404

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 80021, 160042, 320084, 880231, 1520399, 1760462, 3040798, 3520924, 6081596, 16724389, 33448778, 66897556]

約数ペア:

[(1, 66897556), (2, 33448778), (4, 16724389), (11, 6081596), (19, 3520924), (22, 3040798), (38, 1760462), (44, 1520399), (76, 880231), (209, 320084), (418, 160042), (836, 80021)]