25977218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{6637}}^1$

素因数の和:6761

約数の個数: 16

約数和(自身を含む): 41421120

約数和(自身を除く): 15443902

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 6637, 13274, 126103, 252206, 683611, 1367222, 12988609, 25977218]

約数ペア:

[(1, 25977218), (2, 12988609), (19, 1367222), (38, 683611), (103, 252206), (206, 126103), (1957, 13274), (3914, 6637)]