13591175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 6407545

約数列:

[1, 5, 13, 19, 25, 31, 65, 71, 95, 155, 247, 325, 355, 403, 475, 589, 775, 923, 1235, 1349, 1775, 2015, 2201, 2945, 4615, 6175, 6745, 7657, 10075, 11005, 14725, 17537, 23075, 28613, 33725, 38285, 41819, 55025, 87685, 143065, 191425, 209095, 438425, 543647, 715325, 1045475, 2718235, 13591175]

約数ペア:

[(1, 13591175), (5, 2718235), (13, 1045475), (19, 715325), (25, 543647), (31, 438425), (65, 209095), (71, 191425), (95, 143065), (155, 87685), (247, 55025), (325, 41819), (355, 38285), (403, 33725), (475, 28613), (589, 23075), (775, 17537), (923, 14725), (1235, 11005), (1349, 10075), (1775, 7657), (2015, 6745), (2201, 6175), (2945, 4615)]