981327152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4717919}}^1$

素因数の和:4717940

約数の個数: 20

約数和(自身を含む): 2047577280

約数和(自身を除く): 1066250128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4717919, 9435838, 18871676, 37743352, 61332947, 75486704, 122665894, 245331788, 490663576, 981327152]

約数ペア:

[(1, 981327152), (2, 490663576), (4, 245331788), (8, 122665894), (13, 75486704), (16, 61332947), (26, 37743352), (52, 18871676), (104, 9435838), (208, 4717919)]