641743148

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{67723}}^1$

素因数の和:67853

約数の個数: 24

約数和(自身を含む): 1183273728

約数和(自身を除く): 541530580

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2369, 4738, 9476, 67723, 135446, 270892, 1557629, 3115258, 6230516, 6975469, 13950938, 27901876, 160435787, 320871574, 641743148]

約数ペア:

[(1, 641743148), (2, 320871574), (4, 160435787), (23, 27901876), (46, 13950938), (92, 6975469), (103, 6230516), (206, 3115258), (412, 1557629), (2369, 270892), (4738, 135446), (9476, 67723)]