81967964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{15607}}^1$

素因数の和:15725

約数の個数: 24

約数和(自身を含む): 156017568

約数和(自身を除く): 74049604

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 15607, 31214, 62428, 202891, 405782, 811564, 1576307, 3152614, 6305228, 20491991, 40983982, 81967964]

約数ペア:

[(1, 81967964), (2, 40983982), (4, 20491991), (13, 6305228), (26, 3152614), (52, 1576307), (101, 811564), (202, 405782), (404, 202891), (1313, 62428), (2626, 31214), (5252, 15607)]