67278718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19753}}^1$

素因数の和:19899

約数の個数: 16

約数和(自身を含む): 109516176

約数和(自身を除く): 42237458

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 19753, 39506, 256789, 513578, 2587643, 5175286, 33639359, 67278718]

約数ペア:

[(1, 67278718), (2, 33639359), (13, 5175286), (26, 2587643), (131, 513578), (262, 256789), (1703, 39506), (3406, 19753)]