1580642

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^2$

素因数の和:270

約数の個数: 18

約数和(自身を含む): 2779947

約数和(自身を除く): 1199305

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1778, 6223, 12446, 16129, 32258, 112903, 225806, 790321, 1580642]

約数ペア:

[(1, 1580642), (2, 790321), (7, 225806), (14, 112903), (49, 32258), (98, 16129), (127, 12446), (254, 6223), (889, 1778)]