248288536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{42457}}^1$

素因数の和:42523

約数の個数: 32

約数和(自身を含む): 504401040

約数和(自身を除く): 256112504

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 42457, 84914, 169828, 339656, 721769, 1443538, 1825651, 2887076, 3651302, 5774152, 7302604, 14605208, 31036067, 62072134, 124144268, 248288536]

約数ペア:

[(1, 248288536), (2, 124144268), (4, 62072134), (8, 31036067), (17, 14605208), (34, 7302604), (43, 5774152), (68, 3651302), (86, 2887076), (136, 1825651), (172, 1443538), (344, 721769), (731, 339656), (1462, 169828), (2924, 84914), (5848, 42457)]