12688730

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 23619600

約数和(自身を除く): 10930870

約数列:

[1, 2, 5, 10, 53, 89, 106, 178, 265, 269, 445, 530, 538, 890, 1345, 2690, 4717, 9434, 14257, 23585, 23941, 28514, 47170, 47882, 71285, 119705, 142570, 239410, 1268873, 2537746, 6344365, 12688730]

約数ペア:

[(1, 12688730), (2, 6344365), (5, 2537746), (10, 1268873), (53, 239410), (89, 142570), (106, 119705), (178, 71285), (265, 47882), (269, 47170), (445, 28514), (530, 23941), (538, 23585), (890, 14257), (1345, 9434), (2690, 4717)]