128537717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 170526720

約数和(自身を除く): 41989003

約数列:

[1, 7, 11, 19, 77, 103, 133, 209, 721, 853, 1133, 1463, 1957, 5971, 7931, 9383, 13699, 16207, 21527, 65681, 87859, 113449, 150689, 178277, 615013, 966449, 1247939, 1669321, 6765143, 11685247, 18362531, 128537717]

約数ペア:

[(1, 128537717), (7, 18362531), (11, 11685247), (19, 6765143), (77, 1669321), (103, 1247939), (133, 966449), (209, 615013), (721, 178277), (853, 150689), (1133, 113449), (1463, 87859), (1957, 65681), (5971, 21527), (7931, 16207), (9383, 13699)]