16438835

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 23654400

約数和(自身を除く): 7215565

約数列:

[1, 5, 7, 31, 35, 109, 139, 155, 217, 545, 695, 763, 973, 1085, 3379, 3815, 4309, 4865, 15151, 16895, 21545, 23653, 30163, 75755, 106057, 118265, 150815, 469681, 530285, 2348405, 3287767, 16438835]

約数ペア:

[(1, 16438835), (5, 3287767), (7, 2348405), (31, 530285), (35, 469681), (109, 150815), (139, 118265), (155, 106057), (217, 75755), (545, 30163), (695, 23653), (763, 21545), (973, 16895), (1085, 15151), (3379, 4865), (3815, 4309)]