128719936

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{64879}}^1$

素因数の和:64922

約数の個数: 28

約数和(自身を含む): 263672320

約数和(自身を除く): 134952384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 64879, 129758, 259516, 519032, 1038064, 2011249, 2076128, 4022498, 4152256, 8044996, 16089992, 32179984, 64359968, 128719936]

約数ペア:

[(1, 128719936), (2, 64359968), (4, 32179984), (8, 16089992), (16, 8044996), (31, 4152256), (32, 4022498), (62, 2076128), (64, 2011249), (124, 1038064), (248, 519032), (496, 259516), (992, 129758), (1984, 64879)]