257969936

素因数分解:

$2^4\times 7^1\times {\mathrm{2303303}}^1$

素因数の和:2303318

約数の個数: 20

約数和(自身を含む): 571219392

約数和(自身を除く): 313249456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2303303, 4606606, 9213212, 16123121, 18426424, 32246242, 36852848, 64492484, 128984968, 257969936]

約数ペア:

[(1, 257969936), (2, 128984968), (4, 64492484), (7, 36852848), (8, 32246242), (14, 18426424), (16, 16123121), (28, 9213212), (56, 4606606), (112, 2303303)]