16678779

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 24489792

約数和(自身を除く): 7811013

約数列:

[1, 3, 13, 39, 67, 169, 201, 491, 507, 871, 1473, 2613, 6383, 11323, 19149, 32897, 33969, 82979, 98691, 248937, 427661, 1282983, 5559593, 16678779]

約数ペア:

[(1, 16678779), (3, 5559593), (13, 1282983), (39, 427661), (67, 248937), (169, 98691), (201, 82979), (491, 33969), (507, 32897), (871, 19149), (1473, 11323), (2613, 6383)]