161318521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{10247}}^1$

素因数の和:10440

約数の個数: 16

約数和(自身を含む): 199713024

約数和(自身を除く): 38394503

約数列:

[1, 7, 13, 91, 173, 1211, 2249, 10247, 15743, 71729, 133211, 932477, 1772731, 12409117, 23045503, 161318521]

約数ペア:

[(1, 161318521), (7, 23045503), (13, 12409117), (91, 1772731), (173, 932477), (1211, 133211), (2249, 71729), (10247, 15743)]