26780101

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 29022400

約数和(自身を除く): 2242299

約数列:

[1, 19, 67, 109, 193, 1273, 2071, 3667, 7303, 12931, 21037, 138757, 245689, 399703, 1409479, 26780101]

約数ペア:

[(1, 26780101), (19, 1409479), (67, 399703), (109, 245689), (193, 138757), (1273, 21037), (2071, 12931), (3667, 7303)]