209969752

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 398970000

約数和(自身を除く): 189000248

約数列:

[1, 2, 4, 8, 109, 218, 389, 436, 619, 778, 872, 1238, 1556, 2476, 3112, 4952, 42401, 67471, 84802, 134942, 169604, 240791, 269884, 339208, 481582, 539768, 963164, 1926328, 26246219, 52492438, 104984876, 209969752]

約数ペア:

[(1, 209969752), (2, 104984876), (4, 52492438), (8, 26246219), (109, 1926328), (218, 963164), (389, 539768), (436, 481582), (619, 339208), (778, 269884), (872, 240791), (1238, 169604), (1556, 134942), (2476, 84802), (3112, 67471), (4952, 42401)]