258339928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419383}}^1$

素因数の和:419407

約数の個数: 32

約数和(自身を含む): 603912960

約数和(自身を除く): 345573032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 419383, 838766, 1677532, 2935681, 3355064, 4613213, 5871362, 9226426, 11742724, 18452852, 23485448, 32292491, 36905704, 64584982, 129169964, 258339928]

約数ペア:

[(1, 258339928), (2, 129169964), (4, 64584982), (7, 36905704), (8, 32292491), (11, 23485448), (14, 18452852), (22, 11742724), (28, 9226426), (44, 5871362), (56, 4613213), (77, 3355064), (88, 2935681), (154, 1677532), (308, 838766), (616, 419383)]