79171204

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{20639}}^1$

素因数の和:20787

約数の個数: 24

約数和(自身を含む): 159505920

約数和(自身を除く): 80334716

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 20639, 41278, 82556, 144473, 288946, 577892, 2827543, 5655086, 11310172, 19792801, 39585602, 79171204]

約数ペア:

[(1, 79171204), (2, 39585602), (4, 19792801), (7, 11310172), (14, 5655086), (28, 2827543), (137, 577892), (274, 288946), (548, 144473), (959, 82556), (1918, 41278), (3836, 20639)]