247630415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 322854336

約数和(自身を除く): 75223921

約数列:

[1, 5, 17, 61, 85, 163, 293, 305, 815, 1037, 1465, 2771, 4981, 5185, 9943, 13855, 17873, 24905, 47759, 49715, 89365, 169031, 238795, 303841, 811903, 845155, 1519205, 2913299, 4059515, 14566495, 49526083, 247630415]

約数ペア:

[(1, 247630415), (5, 49526083), (17, 14566495), (61, 4059515), (85, 2913299), (163, 1519205), (293, 845155), (305, 811903), (815, 303841), (1037, 238795), (1465, 169031), (2771, 89365), (4981, 49715), (5185, 47759), (9943, 24905), (13855, 17873)]