207940991

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 234228720

約数和(自身を除く): 26287729

約数列:

[1, 17, 29, 43, 289, 493, 577, 731, 1247, 8381, 9809, 12427, 16733, 21199, 24811, 166753, 284461, 360383, 421787, 719519, 4835837, 7170379, 12231823, 207940991]

約数ペア:

[(1, 207940991), (17, 12231823), (29, 7170379), (43, 4835837), (289, 719519), (493, 421787), (577, 360383), (731, 284461), (1247, 166753), (8381, 24811), (9809, 21199), (12427, 16733)]