2017757915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{29789}}^1$

素因数の和:29867

約数の個数: 32

約数和(自身を含む): 2745446400

約数和(自身を除く): 727688485

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 437, 589, 713, 2185, 2945, 3565, 13547, 29789, 67735, 148945, 565991, 685147, 923459, 2829955, 3425735, 4617295, 13017793, 17545721, 21239557, 65088965, 87728605, 106197785, 403551583, 2017757915]

約数ペア:

[(1, 2017757915), (5, 403551583), (19, 106197785), (23, 87728605), (31, 65088965), (95, 21239557), (115, 17545721), (155, 13017793), (437, 4617295), (589, 3425735), (713, 2829955), (2185, 923459), (2945, 685147), (3565, 565991), (13547, 148945), (29789, 67735)]