521004947

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 579363840

約数和(自身を除く): 58358893

約数列:

[1, 19, 23, 131, 361, 437, 479, 2489, 3013, 8303, 9101, 11017, 47291, 57247, 62749, 172919, 209323, 1087693, 1192231, 1443227, 3977137, 22652389, 27421313, 521004947]

約数ペア:

[(1, 521004947), (19, 27421313), (23, 22652389), (131, 3977137), (361, 1443227), (437, 1192231), (479, 1087693), (2489, 209323), (3013, 172919), (8303, 62749), (9101, 57247), (11017, 47291)]