647527136

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{121169}}^1$

素因数の和:121346

約数の個数: 24

約数和(自身を含む): 1282463280

約数和(自身を除く): 634936144

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 1336, 2672, 5344, 121169, 242338, 484676, 969352, 1938704, 3877408, 20235223, 40470446, 80940892, 161881784, 323763568, 647527136]

約数ペア:

[(1, 647527136), (2, 323763568), (4, 161881784), (8, 80940892), (16, 40470446), (32, 20235223), (167, 3877408), (334, 1938704), (668, 969352), (1336, 484676), (2672, 242338), (5344, 121169)]