2598890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 5405184

約数和(自身を除く): 2806294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 271, 274, 542, 685, 959, 1355, 1370, 1897, 1918, 2710, 3794, 4795, 9485, 9590, 18970, 37127, 74254, 185635, 259889, 371270, 519778, 1299445, 2598890]

約数ペア:

[(1, 2598890), (2, 1299445), (5, 519778), (7, 371270), (10, 259889), (14, 185635), (35, 74254), (70, 37127), (137, 18970), (271, 9590), (274, 9485), (542, 4795), (685, 3794), (959, 2710), (1355, 1918), (1370, 1897)]