28505087171

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{19301}}^1$

素因数の和:19475

約数の個数: 32

約数和(自身を含む): 33087025152

約数和(自身を除く): 4581937981

約数列:

[1, 11, 31, 61, 71, 341, 671, 781, 1891, 2201, 4331, 19301, 20801, 24211, 47641, 134261, 212311, 598331, 1177361, 1370371, 1476871, 6581641, 12950971, 15074081, 36498191, 42481501, 83592631, 401480101, 467296511, 919518941, 2591371561, 28505087171]

約数ペア:

[(1, 28505087171), (11, 2591371561), (31, 919518941), (61, 467296511), (71, 401480101), (341, 83592631), (671, 42481501), (781, 36498191), (1891, 15074081), (2201, 12950971), (4331, 6581641), (19301, 1476871), (20801, 1370371), (24211, 1177361), (47641, 598331), (134261, 212311)]