12451270

素因数分解:

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

素因数の和:181

約数の個数: 48

約数和(自身を含む): 25769520

約数和(自身を除く): 13318250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 190, 247, 355, 494, 710, 923, 1235, 1349, 1846, 2470, 2698, 4615, 5041, 6745, 9230, 10082, 13490, 17537, 25205, 35074, 50410, 65533, 87685, 95779, 131066, 175370, 191558, 327665, 478895, 655330, 957790, 1245127, 2490254, 6225635, 12451270]

約数ペア:

[(1, 12451270), (2, 6225635), (5, 2490254), (10, 1245127), (13, 957790), (19, 655330), (26, 478895), (38, 327665), (65, 191558), (71, 175370), (95, 131066), (130, 95779), (142, 87685), (190, 65533), (247, 50410), (355, 35074), (494, 25205), (710, 17537), (923, 13490), (1235, 10082), (1349, 9230), (1846, 6745), (2470, 5041), (2698, 4615)]