72991984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8161}}^1$

素因数の和:8225

約数の個数: 40

約数和(自身を含む): 155861552

約数和(自身を除く): 82869568

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8161, 8944, 16322, 32644, 65288, 106093, 130576, 212186, 350923, 424372, 701846, 848744, 1403692, 1697488, 2807384, 4561999, 5614768, 9123998, 18247996, 36495992, 72991984]

約数ペア:

[(1, 72991984), (2, 36495992), (4, 18247996), (8, 9123998), (13, 5614768), (16, 4561999), (26, 2807384), (43, 1697488), (52, 1403692), (86, 848744), (104, 701846), (172, 424372), (208, 350923), (344, 212186), (559, 130576), (688, 106093), (1118, 65288), (2236, 32644), (4472, 16322), (8161, 8944)]