278330884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{32051}}^1$

素因数の和:32235

約数の個数: 24

約数和(自身を含む): 527704128

約数和(自身を除く): 249373244

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 4342, 8684, 32051, 64102, 128204, 416663, 833326, 1666652, 5352517, 10705034, 21410068, 69582721, 139165442, 278330884]

約数ペア:

[(1, 278330884), (2, 139165442), (4, 69582721), (13, 21410068), (26, 10705034), (52, 5352517), (167, 1666652), (334, 833326), (668, 416663), (2171, 128204), (4342, 64102), (8684, 32051)]