647069891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1\times {\mathrm{1907}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 714599424

約数和(自身を除く): 67529533

約数列:

[1, 13, 43, 559, 607, 1907, 7891, 24791, 26101, 82001, 339313, 1066013, 1157549, 15048137, 49774607, 647069891]

約数ペア:

[(1, 647069891), (13, 49774607), (43, 15048137), (559, 1157549), (607, 1066013), (1907, 339313), (7891, 82001), (24791, 26101)]