13278797

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 16084992

約数和(自身を除く): 2806195

約数列:

[1, 7, 23, 67, 161, 469, 1231, 1541, 8617, 10787, 28313, 82477, 198191, 577339, 1896971, 13278797]

約数ペア:

[(1, 13278797), (7, 1896971), (23, 577339), (67, 198191), (161, 82477), (469, 28313), (1231, 10787), (1541, 8617)]