81965988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{175141}}^1$

素因数の和:175164

約数の個数: 36

約数和(自身を含む): 223130908

約数和(自身を除く): 141164920

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 175141, 350282, 525423, 700564, 1050846, 1576269, 2101692, 2276833, 3152538, 4553666, 6305076, 6830499, 9107332, 13660998, 20491497, 27321996, 40982994, 81965988]

約数ペア:

[(1, 81965988), (2, 40982994), (3, 27321996), (4, 20491497), (6, 13660998), (9, 9107332), (12, 6830499), (13, 6305076), (18, 4553666), (26, 3152538), (36, 2276833), (39, 2101692), (52, 1576269), (78, 1050846), (117, 700564), (156, 525423), (234, 350282), (468, 175141)]