257814468

素因数分解:

$2^2\times 3^3\times {\mathrm{2387171}}^1$

素因数の和:2387184

約数の個数: 24

約数和(自身を含む): 668408160

約数和(自身を除く): 410593692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 2387171, 4774342, 7161513, 9548684, 14323026, 21484539, 28646052, 42969078, 64453617, 85938156, 128907234, 257814468]

約数ペア:

[(1, 257814468), (2, 128907234), (3, 85938156), (4, 64453617), (6, 42969078), (9, 28646052), (12, 21484539), (18, 14323026), (27, 9548684), (36, 7161513), (54, 4774342), (108, 2387171)]