12945821

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 16093440

約数和(自身を除く): 3147619

約数列:

[1, 7, 19, 47, 109, 133, 329, 361, 763, 893, 2071, 2527, 5123, 6251, 14497, 16967, 35861, 39349, 97337, 118769, 275443, 681359, 1849403, 12945821]

約数ペア:

[(1, 12945821), (7, 1849403), (19, 681359), (47, 275443), (109, 118769), (133, 97337), (329, 39349), (361, 35861), (763, 16967), (893, 14497), (2071, 6251), (2527, 5123)]