138502868

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{55579}}^1$

素因数の和:55679

約数の個数: 24

約数和(自身を含む): 280123200

約数和(自身を除く): 141620332

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 55579, 111158, 222316, 389053, 778106, 1556212, 4946531, 9893062, 19786124, 34625717, 69251434, 138502868]

約数ペア:

[(1, 138502868), (2, 69251434), (4, 34625717), (7, 19786124), (14, 9893062), (28, 4946531), (89, 1556212), (178, 778106), (356, 389053), (623, 222316), (1246, 111158), (2492, 55579)]