257584806

素因数分解:

$2^1\times 3^3\times {\mathrm{353}}^1\times {\mathrm{13513}}^1$

素因数の和:13877

約数の個数: 32

約数和(自身を含む): 574074720

約数和(自身を除く): 316489914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 353, 706, 1059, 2118, 3177, 6354, 9531, 13513, 19062, 27026, 40539, 81078, 121617, 243234, 364851, 729702, 4770089, 9540178, 14310267, 28620534, 42930801, 85861602, 128792403, 257584806]

約数ペア:

[(1, 257584806), (2, 128792403), (3, 85861602), (6, 42930801), (9, 28620534), (18, 14310267), (27, 9540178), (54, 4770089), (353, 729702), (706, 364851), (1059, 243234), (2118, 121617), (3177, 81078), (6354, 40539), (9531, 27026), (13513, 19062)]