318888913

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{743}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 391849920

約数和(自身を除く): 72961007

約数列:

[1, 7, 19, 49, 133, 461, 743, 931, 3227, 5201, 8759, 14117, 22589, 36407, 61313, 98819, 342523, 429191, 691733, 2397661, 6507937, 16783627, 45555559, 318888913]

約数ペア:

[(1, 318888913), (7, 45555559), (19, 16783627), (49, 6507937), (133, 2397661), (461, 691733), (743, 429191), (931, 342523), (3227, 98819), (5201, 61313), (8759, 36407), (14117, 22589)]