678743966

素因数分解:

$2^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1\times {\mathrm{2447}}^1$

素因数の和:3199

約数の個数: 16

約数和(自身を含む): 1024047360

約数和(自身を除く): 345303394

約数列:

[1, 2, 331, 419, 662, 838, 2447, 4894, 138689, 277378, 809957, 1025293, 1619914, 2050586, 339371983, 678743966]

約数ペア:

[(1, 678743966), (2, 339371983), (331, 2050586), (419, 1619914), (662, 1025293), (838, 809957), (2447, 277378), (4894, 138689)]