668712737

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1453}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 859837440

約数和(自身を除く): 191124703

約数列:

[1, 7, 11, 43, 77, 139, 301, 473, 973, 1453, 1529, 3311, 5977, 10171, 10703, 15983, 41839, 62479, 65747, 111881, 201967, 437353, 460229, 687269, 1413769, 2221637, 4810883, 8684581, 15551459, 60792067, 95530391, 668712737]

約数ペア:

[(1, 668712737), (7, 95530391), (11, 60792067), (43, 15551459), (77, 8684581), (139, 4810883), (301, 2221637), (473, 1413769), (973, 687269), (1453, 460229), (1529, 437353), (3311, 201967), (5977, 111881), (10171, 65747), (10703, 62479), (15983, 41839)]