278315722

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1\times {\mathrm{4957}}^1$

素因数の和:5445

約数の個数: 16

約数和(自身を含む): 424801440

約数和(自身を除く): 146485718

約数列:

[1, 2, 67, 134, 419, 838, 4957, 9914, 28073, 56146, 332119, 664238, 2076983, 4153966, 139157861, 278315722]

約数ペア:

[(1, 278315722), (2, 139157861), (67, 4153966), (134, 2076983), (419, 664238), (838, 332119), (4957, 56146), (9914, 28073)]