251135521

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{11173}}^1$

素因数の和:11225

約数の個数: 24

約数和(自身を含む): 327174720

約数和(自身を除く): 76039199

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1729, 3211, 11173, 22477, 78211, 145249, 212287, 1016743, 1486009, 1888237, 2759731, 13217659, 19318117, 35876503, 251135521]

約数ペア:

[(1, 251135521), (7, 35876503), (13, 19318117), (19, 13217659), (91, 2759731), (133, 1888237), (169, 1486009), (247, 1016743), (1183, 212287), (1729, 145249), (3211, 78211), (11173, 22477)]