161840545

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{907}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 196651008

約数和(自身を除く): 34810463

約数列:

[1, 5, 127, 281, 635, 907, 1405, 4535, 35687, 115189, 178435, 254867, 575945, 1274335, 32368109, 161840545]

約数ペア:

[(1, 161840545), (5, 32368109), (127, 1274335), (281, 575945), (635, 254867), (907, 178435), (1405, 115189), (4535, 35687)]