128664296

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{3491}}^1$

素因数の和:3785

約数の個数: 32

約数和(自身を含む): 256452480

約数和(自身を除く): 127788184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 542, 1084, 2168, 3491, 4607, 6982, 9214, 13964, 18428, 27928, 36856, 59347, 118694, 237388, 474776, 946061, 1892122, 3784244, 7568488, 16083037, 32166074, 64332148, 128664296]

約数ペア:

[(1, 128664296), (2, 64332148), (4, 32166074), (8, 16083037), (17, 7568488), (34, 3784244), (68, 1892122), (136, 946061), (271, 474776), (542, 237388), (1084, 118694), (2168, 59347), (3491, 36856), (4607, 27928), (6982, 18428), (9214, 13964)]