42778715

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{10271}}^1$

素因数の和:10307

約数の個数: 24

約数和(自身を含む): 63234432

約数和(自身を除く): 20455717

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 10271, 51355, 71897, 174607, 359485, 503279, 873035, 1222249, 2516395, 6111245, 8555743, 42778715]

約数ペア:

[(1, 42778715), (5, 8555743), (7, 6111245), (17, 2516395), (35, 1222249), (49, 873035), (85, 503279), (119, 359485), (245, 174607), (595, 71897), (833, 51355), (4165, 10271)]