261387770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55733}}^1$

素因数の和:55814

約数の個数: 32

約数和(自身を含む): 545747328

約数和(自身を除く): 284359558

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 55733, 111466, 278665, 390131, 557330, 780262, 1950655, 3734111, 3901310, 7468222, 18670555, 26138777, 37341110, 52277554, 130693885, 261387770]

約数ペア:

[(1, 261387770), (2, 130693885), (5, 52277554), (7, 37341110), (10, 26138777), (14, 18670555), (35, 7468222), (67, 3901310), (70, 3734111), (134, 1950655), (335, 780262), (469, 557330), (670, 390131), (938, 278665), (2345, 111466), (4690, 55733)]