1291222295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1459}}^1\times {\mathrm{16091}}^1$

素因数の和:17566

約数の個数: 16

約数和(自身を含む): 1691591040

約数和(自身を除く): 400368745

約数列:

[1, 5, 11, 55, 1459, 7295, 16049, 16091, 80245, 80455, 177001, 885005, 23476769, 117383845, 258244459, 1291222295]

約数ペア:

[(1, 1291222295), (5, 258244459), (11, 117383845), (55, 23476769), (1459, 885005), (7295, 177001), (16049, 80455), (16091, 80245)]