1388167151

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{242729}}^1$

素因数の和:242798

約数の個数: 16

約数和(自身を含む): 1708819200

約数和(自身を除く): 320652049

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 242729, 1699103, 4611851, 10437347, 32282957, 73061429, 198309593, 1388167151]

約数ペア:

[(1, 1388167151), (7, 198309593), (19, 73061429), (43, 32282957), (133, 10437347), (301, 4611851), (817, 1699103), (5719, 242729)]