12640418

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 23151744

約数和(自身を除く): 10511326

約数列:

[1, 2, 7, 14, 17, 34, 119, 173, 238, 307, 346, 614, 1211, 2149, 2422, 2941, 4298, 5219, 5882, 10438, 20587, 36533, 41174, 53111, 73066, 106222, 371777, 743554, 902887, 1805774, 6320209, 12640418]

約数ペア:

[(1, 12640418), (2, 6320209), (7, 1805774), (14, 902887), (17, 743554), (34, 371777), (119, 106222), (173, 73066), (238, 53111), (307, 41174), (346, 36533), (614, 20587), (1211, 10438), (2149, 5882), (2422, 5219), (2941, 4298)]