2718235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1152485

約数列:

[1, 5, 13, 19, 31, 65, 71, 95, 155, 247, 355, 403, 589, 923, 1235, 1349, 2015, 2201, 2945, 4615, 6745, 7657, 11005, 17537, 28613, 38285, 41819, 87685, 143065, 209095, 543647, 2718235]

約数ペア:

[(1, 2718235), (5, 543647), (13, 209095), (19, 143065), (31, 87685), (65, 41819), (71, 38285), (95, 28613), (155, 17537), (247, 11005), (355, 7657), (403, 6745), (589, 4615), (923, 2945), (1235, 2201), (1349, 2015)]