13881343

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 17856000

約数和(自身を除く): 3974657

約数列:

[1, 7, 19, 29, 59, 61, 133, 203, 413, 427, 551, 1121, 1159, 1711, 1769, 3599, 3857, 7847, 8113, 11977, 12383, 25193, 32509, 33611, 68381, 104371, 227563, 235277, 478667, 730597, 1983049, 13881343]

約数ペア:

[(1, 13881343), (7, 1983049), (19, 730597), (29, 478667), (59, 235277), (61, 227563), (133, 104371), (203, 68381), (413, 33611), (427, 32509), (551, 25193), (1121, 12383), (1159, 11977), (1711, 8113), (1769, 7847), (3599, 3857)]