488656861

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^2$

素因数の和:322

約数の個数: 36

約数和(自身を含む): 634461984

約数和(自身を除く): 145805123

約数列:

[1, 7, 11, 49, 71, 77, 113, 497, 539, 781, 791, 1243, 3479, 5467, 5537, 8023, 8701, 12769, 38269, 56161, 60907, 88253, 89383, 140459, 393127, 617771, 625681, 906599, 983213, 4324397, 6346193, 6882491, 9972589, 44423351, 69808123, 488656861]

約数ペア:

[(1, 488656861), (7, 69808123), (11, 44423351), (49, 9972589), (71, 6882491), (77, 6346193), (113, 4324397), (497, 983213), (539, 906599), (781, 625681), (791, 617771), (1243, 393127), (3479, 140459), (5467, 89383), (5537, 88253), (8023, 60907), (8701, 56161), (12769, 38269)]