129425872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9901}}^1$

素因数の和:9971

約数の個数: 40

約数和(自身を含む): 270126560

約数和(自身を除く): 140700688

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 9901, 13072, 19802, 39604, 79208, 158416, 188119, 376238, 425743, 752476, 851486, 1504952, 1702972, 3009904, 3405944, 6811888, 8089117, 16178234, 32356468, 64712936, 129425872]

約数ペア:

[(1, 129425872), (2, 64712936), (4, 32356468), (8, 16178234), (16, 8089117), (19, 6811888), (38, 3405944), (43, 3009904), (76, 1702972), (86, 1504952), (152, 851486), (172, 752476), (304, 425743), (344, 376238), (688, 188119), (817, 158416), (1634, 79208), (3268, 39604), (6536, 19802), (9901, 13072)]