389348

素因数分解:

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

素因数の和:179

約数の個数: 24

約数和(自身を含む): 739200

約数和(自身を除く): 349852

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 109, 188, 218, 436, 893, 1786, 2071, 3572, 4142, 5123, 8284, 10246, 20492, 97337, 194674, 389348]

約数ペア:

[(1, 389348), (2, 194674), (4, 97337), (19, 20492), (38, 10246), (47, 8284), (76, 5123), (94, 4142), (109, 3572), (188, 2071), (218, 1786), (436, 893)]