401888912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1322003}}^1$

素因数の和:1322030

約数の個数: 20

約数和(自身を含む): 819642480

約数和(自身を除く): 417753568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1322003, 2644006, 5288012, 10576024, 21152048, 25118057, 50236114, 100472228, 200944456, 401888912]

約数ペア:

[(1, 401888912), (2, 200944456), (4, 100472228), (8, 50236114), (16, 25118057), (19, 21152048), (38, 10576024), (76, 5288012), (152, 2644006), (304, 1322003)]