266488144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1281193}}^1$

素因数の和:1281214

約数の個数: 20

約数和(自身を含む): 556038196

約数和(自身を除く): 289550052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1281193, 2562386, 5124772, 10249544, 16655509, 20499088, 33311018, 66622036, 133244072, 266488144]

約数ペア:

[(1, 266488144), (2, 133244072), (4, 66622036), (8, 33311018), (13, 20499088), (16, 16655509), (26, 10249544), (52, 5124772), (104, 2562386), (208, 1281193)]