257916226

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{4159}}^1$

素因数の和:4569

約数の個数: 16

約数和(自身を含む): 392071680

約数和(自身を除く): 134155454

約数列:

[1, 2, 101, 202, 307, 614, 4159, 8318, 31007, 62014, 420059, 840118, 1276813, 2553626, 128958113, 257916226]

約数ペア:

[(1, 257916226), (2, 128958113), (101, 2553626), (202, 1276813), (307, 840118), (614, 420059), (4159, 62014), (8318, 31007)]