2948275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 4071168

約数和(自身を除く): 1122893

約数列:

[1, 5, 11, 25, 55, 71, 151, 275, 355, 755, 781, 1661, 1775, 3775, 3905, 8305, 10721, 19525, 41525, 53605, 117931, 268025, 589655, 2948275]

約数ペア:

[(1, 2948275), (5, 589655), (11, 268025), (25, 117931), (55, 53605), (71, 41525), (151, 19525), (275, 10721), (355, 8305), (755, 3905), (781, 3775), (1661, 1775)]