138977839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8167}}^1$

素因数の和:8215

約数の個数: 32

約数和(自身を含む): 197600256

約数和(自身を除く): 58622417

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 8167, 17017, 57169, 89837, 106171, 138839, 628859, 743197, 971873, 1167881, 1527229, 1804907, 8175167, 10690603, 12634349, 19853977, 138977839]

約数ペア:

[(1, 138977839), (7, 19853977), (11, 12634349), (13, 10690603), (17, 8175167), (77, 1804907), (91, 1527229), (119, 1167881), (143, 971873), (187, 743197), (221, 628859), (1001, 138839), (1309, 106171), (1547, 89837), (2431, 57169), (8167, 17017)]