3980942

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2239}}^1$

素因数の和:2375

約数の個数: 16

約数和(自身を含む): 6881280

約数和(自身を除く): 2900338

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 2239, 4478, 15673, 31346, 284353, 568706, 1990471, 3980942]

約数ペア:

[(1, 3980942), (2, 1990471), (7, 568706), (14, 284353), (127, 31346), (254, 15673), (889, 4478), (1778, 2239)]