401382961

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9173}}^1$

素因数の和:9253

約数の個数: 24

約数和(自身を含む): 502001280

約数和(自身を除く): 100618319

約数列:

[1, 7, 19, 47, 49, 133, 329, 893, 931, 2303, 6251, 9173, 43757, 64211, 174287, 431131, 449477, 1220009, 3017917, 8191489, 8540063, 21125419, 57340423, 401382961]

約数ペア:

[(1, 401382961), (7, 57340423), (19, 21125419), (47, 8540063), (49, 8191489), (133, 3017917), (329, 1220009), (893, 449477), (931, 431131), (2303, 174287), (6251, 64211), (9173, 43757)]