256834487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{166021}}^1$

素因数の和:166058

約数の個数: 16

約数和(自身を含む): 334700352

約数和(自身を除く): 77865865

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 166021, 1162147, 2158273, 2822357, 15107911, 19756499, 36690641, 256834487]

約数ペア:

[(1, 256834487), (7, 36690641), (13, 19756499), (17, 15107911), (91, 2822357), (119, 2158273), (221, 1162147), (1547, 166021)]