439051921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1\times {\mathrm{2861}}^1$

素因数の和:4872

約数の個数: 16

約数和(自身を含む): 547855488

約数和(自身を除く): 108803567

約数列:

[1, 7, 11, 77, 1993, 2861, 13951, 20027, 21923, 31471, 153461, 220297, 5701973, 39913811, 62721703, 439051921]

約数ペア:

[(1, 439051921), (7, 62721703), (11, 39913811), (77, 5701973), (1993, 220297), (2861, 153461), (13951, 31471), (20027, 21923)]