129780688

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{17749}}^1$

素因数の和:18214

約数の個数: 20

約数和(自身を含む): 252014500

約数和(自身を除く): 122233812

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 3656, 7312, 17749, 35498, 70996, 141992, 283984, 8111293, 16222586, 32445172, 64890344, 129780688]

約数ペア:

[(1, 129780688), (2, 64890344), (4, 32445172), (8, 16222586), (16, 8111293), (457, 283984), (914, 141992), (1828, 70996), (3656, 35498), (7312, 17749)]