261947868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239879}}^1$

素因数の和:239906

約数の個数: 48

約数和(自身を含む): 752263680

約数和(自身を除く): 490315812

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 239879, 479758, 719637, 959516, 1439274, 1679153, 2878548, 3118427, 3358306, 5037459, 6236854, 6716612, 9355281, 10074918, 12473708, 18710562, 20149836, 21828989, 37421124, 43657978, 65486967, 87315956, 130973934, 261947868]

約数ペア:

[(1, 261947868), (2, 130973934), (3, 87315956), (4, 65486967), (6, 43657978), (7, 37421124), (12, 21828989), (13, 20149836), (14, 18710562), (21, 12473708), (26, 10074918), (28, 9355281), (39, 6716612), (42, 6236854), (52, 5037459), (78, 3358306), (84, 3118427), (91, 2878548), (156, 1679153), (182, 1439274), (273, 959516), (364, 719637), (546, 479758), (1092, 239879)]