999317284

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{89899}}^1$

素因数の和:90307

約数の個数: 24

約数和(自身を含む): 2003691200

約数和(自身を除く): 1004373916

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 2779, 5558, 11116, 89899, 179798, 359596, 629293, 1258586, 2517172, 35689903, 71379806, 142759612, 249829321, 499658642, 999317284]

約数ペア:

[(1, 999317284), (2, 499658642), (4, 249829321), (7, 142759612), (14, 71379806), (28, 35689903), (397, 2517172), (794, 1258586), (1588, 629293), (2779, 359596), (5558, 179798), (11116, 89899)]