211249871

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 270397440

約数和(自身を除く): 59147569

約数列:

[1, 7, 17, 23, 79, 119, 161, 391, 553, 977, 1343, 1817, 2737, 6839, 9401, 12719, 16609, 22471, 30889, 77183, 116263, 157297, 216223, 382007, 540281, 1312111, 1775209, 2674049, 9184777, 12426463, 30178553, 211249871]

約数ペア:

[(1, 211249871), (7, 30178553), (17, 12426463), (23, 9184777), (79, 2674049), (119, 1775209), (161, 1312111), (391, 540281), (553, 382007), (977, 216223), (1343, 157297), (1817, 116263), (2737, 77183), (6839, 30889), (9401, 22471), (12719, 16609)]