261551168

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{37493}}^1$

素因数の和:37614

約数の個数: 28

約数和(自身を含む): 523791180

約数和(自身を除く): 262240012

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3488, 6976, 37493, 74986, 149972, 299944, 599888, 1199776, 2399552, 4086737, 8173474, 16346948, 32693896, 65387792, 130775584, 261551168]

約数ペア:

[(1, 261551168), (2, 130775584), (4, 65387792), (8, 32693896), (16, 16346948), (32, 8173474), (64, 4086737), (109, 2399552), (218, 1199776), (436, 599888), (872, 299944), (1744, 149972), (3488, 74986), (6976, 37493)]