1538760391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{172681}}^1$

素因数の和:172774

約数の個数: 16

約数和(自身を含む): 1878780160

約数和(自身を除く): 340019769

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 172681, 1208767, 3280939, 11569627, 22966573, 80987389, 219822913, 1538760391]

約数ペア:

[(1, 1538760391), (7, 219822913), (19, 80987389), (67, 22966573), (133, 11569627), (469, 3280939), (1273, 1208767), (8911, 172681)]