257285161

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{18743}}^1$

素因数の和:18840

約数の個数: 16

約数和(自身を含む): 307701504

約数和(自身を除く): 50416343

約数列:

[1, 7, 37, 53, 259, 371, 1961, 13727, 18743, 131201, 693491, 993379, 4854437, 6953653, 36755023, 257285161]

約数ペア:

[(1, 257285161), (7, 36755023), (37, 6953653), (53, 4854437), (259, 993379), (371, 693491), (1961, 131201), (13727, 18743)]