81568690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{7717}}^1$

素因数の和:7882

約数の個数: 32

約数和(自身を含む): 168931584

約数和(自身を除く): 87362894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2114, 5285, 7717, 10570, 15434, 38585, 54019, 77170, 108038, 270095, 540190, 1165267, 2330534, 5826335, 8156869, 11652670, 16313738, 40784345, 81568690]

約数ペア:

[(1, 81568690), (2, 40784345), (5, 16313738), (7, 11652670), (10, 8156869), (14, 5826335), (35, 2330534), (70, 1165267), (151, 540190), (302, 270095), (755, 108038), (1057, 77170), (1510, 54019), (2114, 38585), (5285, 15434), (7717, 10570)]