42639751

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 54501120

約数和(自身を除く): 11861369

約数列:

[1, 7, 11, 49, 77, 239, 331, 539, 1673, 2317, 2629, 3641, 11711, 16219, 18403, 25487, 79109, 128821, 178409, 553763, 870199, 3876341, 6091393, 42639751]

約数ペア:

[(1, 42639751), (7, 6091393), (11, 3876341), (49, 870199), (77, 553763), (239, 178409), (331, 128821), (539, 79109), (1673, 25487), (2317, 18403), (2629, 16219), (3641, 11711)]