87877468

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 180194560

約数和(自身を除く): 92317092

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 139, 268, 278, 337, 469, 556, 674, 938, 973, 1348, 1876, 1946, 2359, 3892, 4718, 9313, 9436, 18626, 22579, 37252, 45158, 46843, 65191, 90316, 93686, 130382, 158053, 187372, 260764, 316106, 327901, 632212, 655802, 1311604, 3138481, 6276962, 12553924, 21969367, 43938734, 87877468]

約数ペア:

[(1, 87877468), (2, 43938734), (4, 21969367), (7, 12553924), (14, 6276962), (28, 3138481), (67, 1311604), (134, 655802), (139, 632212), (268, 327901), (278, 316106), (337, 260764), (469, 187372), (556, 158053), (674, 130382), (938, 93686), (973, 90316), (1348, 65191), (1876, 46843), (1946, 45158), (2359, 37252), (3892, 22579), (4718, 18626), (9313, 9436)]