49990415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 61308576

約数和(自身を除く): 11318161

約数列:

[1, 5, 61, 251, 305, 653, 1255, 3265, 15311, 39833, 76555, 163903, 199165, 819515, 9998083, 49990415]

約数ペア:

[(1, 49990415), (5, 9998083), (61, 819515), (251, 199165), (305, 163903), (653, 76555), (1255, 39833), (3265, 15311)]