81147318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28837}}^1$

素因数の和:28916

約数の個数: 32

約数和(自身を含む): 188254464

約数和(自身を除く): 107107146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 28837, 57674, 86511, 173022, 201859, 403718, 605577, 1211154, 1932079, 3864158, 5796237, 11592474, 13524553, 27049106, 40573659, 81147318]

約数ペア:

[(1, 81147318), (2, 40573659), (3, 27049106), (6, 13524553), (7, 11592474), (14, 5796237), (21, 3864158), (42, 1932079), (67, 1211154), (134, 605577), (201, 403718), (402, 201859), (469, 173022), (938, 86511), (1407, 57674), (2814, 28837)]