261640624

素因数分解:

$2^4\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{1571}}^1$

素因数の和:3073

約数の個数: 40

約数和(自身を含む): 580105728

約数和(自身を除く): 318465104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1487, 1571, 2974, 3142, 5948, 6284, 10409, 10997, 11896, 12568, 20818, 21994, 23792, 25136, 41636, 43988, 83272, 87976, 166544, 175952, 2336077, 4672154, 9344308, 16352539, 18688616, 32705078, 37377232, 65410156, 130820312, 261640624]

約数ペア:

[(1, 261640624), (2, 130820312), (4, 65410156), (7, 37377232), (8, 32705078), (14, 18688616), (16, 16352539), (28, 9344308), (56, 4672154), (112, 2336077), (1487, 175952), (1571, 166544), (2974, 87976), (3142, 83272), (5948, 43988), (6284, 41636), (10409, 25136), (10997, 23792), (11896, 21994), (12568, 20818)]