171781286

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{2003}}^1$

素因数の和:2455

約数の個数: 16

約数和(自身を含む): 260511984

約数和(自身を除く): 88730698

約数列:

[1, 2, 137, 274, 313, 626, 2003, 4006, 42881, 85762, 274411, 548822, 626939, 1253878, 85890643, 171781286]

約数ペア:

[(1, 171781286), (2, 85890643), (137, 1253878), (274, 626939), (313, 548822), (626, 274411), (2003, 85762), (4006, 42881)]