9968297689

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 11700951552

約数和(自身を除く): 1732653863

約数列:

[1, 7, 71, 137, 281, 497, 521, 959, 1967, 3647, 9727, 19951, 36991, 38497, 68089, 71377, 139657, 146401, 258937, 269479, 499639, 1024807, 2733287, 5067767, 10394471, 19133009, 20056937, 35474369, 72761297, 140398559, 1424042527, 9968297689]

約数ペア:

[(1, 9968297689), (7, 1424042527), (71, 140398559), (137, 72761297), (281, 35474369), (497, 20056937), (521, 19133009), (959, 10394471), (1967, 5067767), (3647, 2733287), (9727, 1024807), (19951, 499639), (36991, 269479), (38497, 258937), (68089, 146401), (71377, 139657)]