128460032

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{16187}}^1$

素因数の和:16234

約数の個数: 36

約数和(自身を含む): 264706176

約数和(自身を除く): 136246144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 16187, 32374, 64748, 129496, 258992, 501797, 517984, 1003594, 1035968, 2007188, 2071936, 4014376, 4143872, 8028752, 16057504, 32115008, 64230016, 128460032]

約数ペア:

[(1, 128460032), (2, 64230016), (4, 32115008), (8, 16057504), (16, 8028752), (31, 4143872), (32, 4014376), (62, 2071936), (64, 2007188), (124, 1035968), (128, 1003594), (248, 517984), (256, 501797), (496, 258992), (992, 129496), (1984, 64748), (3968, 32374), (7936, 16187)]