890228738

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{390109}}^1$

素因数の和:390281

約数の個数: 16

約数和(自身を含む): 1535472960

約数和(自身を除く): 645244222

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 390109, 780218, 2730763, 5461526, 63587767, 127175534, 445114369, 890228738]

約数ペア:

[(1, 890228738), (2, 445114369), (7, 127175534), (14, 63587767), (163, 5461526), (326, 2730763), (1141, 780218), (2282, 390109)]