203478256

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 402652800

約数和(自身を除く): 199174544

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 439, 472, 491, 878, 944, 982, 1756, 1964, 3512, 3928, 7024, 7856, 25901, 28969, 51802, 57938, 103604, 115876, 207208, 215549, 231752, 414416, 431098, 463504, 862196, 1724392, 3448784, 12717391, 25434782, 50869564, 101739128, 203478256]

約数ペア:

[(1, 203478256), (2, 101739128), (4, 50869564), (8, 25434782), (16, 12717391), (59, 3448784), (118, 1724392), (236, 862196), (439, 463504), (472, 431098), (491, 414416), (878, 231752), (944, 215549), (982, 207208), (1756, 115876), (1964, 103604), (3512, 57938), (3928, 51802), (7024, 28969), (7856, 25901)]