71131385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2729}}^1$

素因数の和:3148

約数の個数: 16

約数和(自身を含む): 92186640

約数和(自身を除く): 21055255

約数列:

[1, 5, 13, 65, 401, 2005, 2729, 5213, 13645, 26065, 35477, 177385, 1094329, 5471645, 14226277, 71131385]

約数ペア:

[(1, 71131385), (5, 14226277), (13, 5471645), (65, 1094329), (401, 177385), (2005, 35477), (2729, 26065), (5213, 13645)]