78542506

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{40361}}^1$

素因数の和:40509

約数の個数: 16

約数和(自身を含む): 135616320

約数和(自身を除く): 57073814

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 40361, 80722, 282527, 565054, 5610179, 11220358, 39271253, 78542506]

約数ペア:

[(1, 78542506), (2, 39271253), (7, 11220358), (14, 5610179), (139, 565054), (278, 282527), (973, 80722), (1946, 40361)]