206985804998

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1505417}}^1$

素因数の和:1505517

約数の個数: 48

約数和(自身を含む): 383050599264

約数和(自身を除く): 176064794266

約数列:

[1, 2, 7, 14, 23, 46, 49, 61, 98, 122, 161, 322, 427, 854, 1127, 1403, 2254, 2806, 2989, 5978, 9821, 19642, 68747, 137494, 1505417, 3010834, 10537919, 21075838, 34624591, 69249182, 73765433, 91830437, 147530866, 183660874, 242372137, 484744274, 642813059, 1285626118, 1696604959, 2112100051, 3393209918, 4224200102, 4499691413, 8999382826, 14784700357, 29569400714, 103492902499, 206985804998]

約数ペア:

[(1, 206985804998), (2, 103492902499), (7, 29569400714), (14, 14784700357), (23, 8999382826), (46, 4499691413), (49, 4224200102), (61, 3393209918), (98, 2112100051), (122, 1696604959), (161, 1285626118), (322, 642813059), (427, 484744274), (854, 242372137), (1127, 183660874), (1403, 147530866), (2254, 91830437), (2806, 73765433), (2989, 69249182), (5978, 34624591), (9821, 21075838), (19642, 10537919), (68747, 3010834), (137494, 1505417)]