654412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 1270080

約数和(自身を除く): 615668

約数列:

[1, 2, 4, 11, 22, 44, 107, 139, 214, 278, 428, 556, 1177, 1529, 2354, 3058, 4708, 6116, 14873, 29746, 59492, 163603, 327206, 654412]

約数ペア:

[(1, 654412), (2, 327206), (4, 163603), (11, 59492), (22, 29746), (44, 14873), (107, 6116), (139, 4708), (214, 3058), (278, 2354), (428, 1529), (556, 1177)]