1256356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 2360960

約数和(自身を除く): 1104604

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 271, 542, 1084, 1159, 2318, 4636, 5149, 10298, 16531, 20596, 33062, 66124, 314089, 628178, 1256356]

約数ペア:

[(1, 1256356), (2, 628178), (4, 314089), (19, 66124), (38, 33062), (61, 20596), (76, 16531), (122, 10298), (244, 5149), (271, 4636), (542, 2318), (1084, 1159)]