1256290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 2623104

約数和(自身を除く): 1366814

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 137, 262, 274, 655, 685, 917, 959, 1310, 1370, 1834, 1918, 4585, 4795, 9170, 9590, 17947, 35894, 89735, 125629, 179470, 251258, 628145, 1256290]

約数ペア:

[(1, 1256290), (2, 628145), (5, 251258), (7, 179470), (10, 125629), (14, 89735), (35, 35894), (70, 17947), (131, 9590), (137, 9170), (262, 4795), (274, 4585), (655, 1918), (685, 1834), (917, 1370), (959, 1310)]