397802608

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{27967}}^1$

素因数の和:28109

約数の個数: 40

約数和(自身を含む): 887816192

約数和(自身を除く): 490013584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 27967, 55934, 111868, 195769, 223736, 391538, 447472, 783076, 1566152, 3132304, 3551809, 7103618, 14207236, 24862663, 28414472, 49725326, 56828944, 99450652, 198901304, 397802608]

約数ペア:

[(1, 397802608), (2, 198901304), (4, 99450652), (7, 56828944), (8, 49725326), (14, 28414472), (16, 24862663), (28, 14207236), (56, 7103618), (112, 3551809), (127, 3132304), (254, 1566152), (508, 783076), (889, 447472), (1016, 391538), (1778, 223736), (2032, 195769), (3556, 111868), (7112, 55934), (14224, 27967)]