13831715

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 17922240

約数和(自身を除く): 4090525

約数列:

[1, 5, 19, 79, 95, 97, 361, 395, 485, 1501, 1805, 1843, 7505, 7663, 9215, 28519, 35017, 38315, 142595, 145597, 175085, 727985, 2766343, 13831715]

約数ペア:

[(1, 13831715), (5, 2766343), (19, 727985), (79, 175085), (95, 145597), (97, 142595), (361, 38315), (395, 35017), (485, 28519), (1501, 9215), (1805, 7663), (1843, 7505)]