1649728239

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 2294189568

約数和(自身を除く): 644461329

約数列:

[1, 3, 43, 71, 129, 213, 281, 641, 843, 1923, 3053, 9159, 12083, 19951, 27563, 36249, 45511, 59853, 82689, 136533, 180121, 540363, 857893, 1956973, 2573679, 5870919, 7745203, 12788591, 23235609, 38365773, 549909413, 1649728239]

約数ペア:

[(1, 1649728239), (3, 549909413), (43, 38365773), (71, 23235609), (129, 12788591), (213, 7745203), (281, 5870919), (641, 2573679), (843, 1956973), (1923, 857893), (3053, 540363), (9159, 180121), (12083, 136533), (19951, 82689), (27563, 59853), (36249, 45511)]