211025621365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1\times {\mathrm{9479}}^1$

素因数の和:29661

約数の個数: 32

約数和(自身を含む): 288796596480

約数和(自身を除く): 77770975115

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 9479, 20147, 47395, 100735, 123227, 161143, 261911, 342499, 616135, 805715, 1309555, 1712495, 2094859, 4452487, 10474295, 22262435, 190973413, 954867065, 2482654369, 3246548021, 12413271845, 16232740105, 42205124273, 211025621365]

約数ペア:

[(1, 211025621365), (5, 42205124273), (13, 16232740105), (17, 12413271845), (65, 3246548021), (85, 2482654369), (221, 954867065), (1105, 190973413), (9479, 22262435), (20147, 10474295), (47395, 4452487), (100735, 2094859), (123227, 1712495), (161143, 1309555), (261911, 805715), (342499, 616135)]